Home / 56,909.45-85,374.20-19,460.72

Finding the Fourth Proportional to 56,909.45, 85,374.20 and 19,460.72

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Solution

The fourth proportional to 56,909.45, 85,374.20 and 19,460.72 is: 29,194.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,909.45 : 85,374.20 = 19,460.72 : x
  2. Step 2: Convert to fraction form
    56,909.45/85,374.20 = 19,460.72/x
  3. Step 3: Cross multiply
    56,909.45x = 85,374.20 × 19,460.72
  4. Step 4: Simplify right side
    56,909.45x = 1,661,443,663.51
  5. Step 5: Solve for x
    x = 1,661,443,663.51/56,909.45
  6. Step 6: Final answer
    x = 29,194.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.