Home / 94,117.72-129,882.07-53,831.42

Finding the Fourth Proportional to 94,117.72, 129,882.07 and 53,831.42

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Solution

The fourth proportional to 94,117.72, 129,882.07 and 53,831.42 is: 74,287.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,117.72 : 129,882.07 = 53,831.42 : x
  2. Step 2: Convert to fraction form
    94,117.72/129,882.07 = 53,831.42/x
  3. Step 3: Cross multiply
    94,117.72x = 129,882.07 × 53,831.42
  4. Step 4: Simplify right side
    94,117.72x = 6,991,736,260.64
  5. Step 5: Solve for x
    x = 6,991,736,260.64/94,117.72
  6. Step 6: Final answer
    x = 74,287.14

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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.