Home / 75,360.46-103,999.08-45,177.52

Finding the Fourth Proportional to 75,360.46, 103,999.08 and 45,177.52

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Solution

The fourth proportional to 75,360.46, 103,999.08 and 45,177.52 is: 62,345.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,360.46 : 103,999.08 = 45,177.52 : x
  2. Step 2: Convert to fraction form
    75,360.46/103,999.08 = 45,177.52/x
  3. Step 3: Cross multiply
    75,360.46x = 103,999.08 × 45,177.52
  4. Step 4: Simplify right side
    75,360.46x = 4,698,420,516.68
  5. Step 5: Solve for x
    x = 4,698,420,516.68/75,360.46
  6. Step 6: Final answer
    x = 62,345.96

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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.