Home / 48,779.10-73,173.55-13,240.98

Finding the Fourth Proportional to 48,779.10, 73,173.55 and 13,240.98

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Solution

The fourth proportional to 48,779.10, 73,173.55 and 13,240.98 is: 19,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,779.10 : 73,173.55 = 13,240.98 : x
  2. Step 2: Convert to fraction form
    48,779.10/73,173.55 = 13,240.98/x
  3. Step 3: Cross multiply
    48,779.10x = 73,173.55 × 13,240.98
  4. Step 4: Simplify right side
    48,779.10x = 968,889,097.10
  5. Step 5: Solve for x
    x = 968,889,097.10/48,779.10
  6. Step 6: Final answer
    x = 19,862.79

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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.