Home / 94,047.94-129,781.20-53,756.38

Finding the Fourth Proportional to 94,047.94, 129,781.20 and 53,756.38

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Solution

The fourth proportional to 94,047.94, 129,781.20 and 53,756.38 is: 74,180.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,047.94 : 129,781.20 = 53,756.38 : x
  2. Step 2: Convert to fraction form
    94,047.94/129,781.20 = 53,756.38/x
  3. Step 3: Cross multiply
    94,047.94x = 129,781.20 × 53,756.38
  4. Step 4: Simplify right side
    94,047.94x = 6,976,567,504.06
  5. Step 5: Solve for x
    x = 6,976,567,504.06/94,047.94
  6. Step 6: Final answer
    x = 74,180.97

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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.