Home / 48,779.88-67,316.22-27,558.78

Finding the Fourth Proportional to 48,779.88, 67,316.22 and 27,558.78

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Solution

The fourth proportional to 48,779.88, 67,316.22 and 27,558.78 is: 38,031.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,779.88 : 67,316.22 = 27,558.78 : x
  2. Step 2: Convert to fraction form
    48,779.88/67,316.22 = 27,558.78/x
  3. Step 3: Cross multiply
    48,779.88x = 67,316.22 × 27,558.78
  4. Step 4: Simplify right side
    48,779.88x = 1,855,152,897.41
  5. Step 5: Solve for x
    x = 1,855,152,897.41/48,779.88
  6. Step 6: Final answer
    x = 38,031.11

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.