Home / 74,516.13-102,831.75-42,256.85

Finding the Fourth Proportional to 74,516.13, 102,831.75 and 42,256.85

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Solution

The fourth proportional to 74,516.13, 102,831.75 and 42,256.85 is: 58,314.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,516.13 : 102,831.75 = 42,256.85 : x
  2. Step 2: Convert to fraction form
    74,516.13/102,831.75 = 42,256.85/x
  3. Step 3: Cross multiply
    74,516.13x = 102,831.75 × 42,256.85
  4. Step 4: Simplify right side
    74,516.13x = 4,345,345,320.83
  5. Step 5: Solve for x
    x = 4,345,345,320.83/74,516.13
  6. Step 6: Final answer
    x = 58,314.16

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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.