Home / 94,078.17-129,823.11-55,839.33

Finding the Fourth Proportional to 94,078.17, 129,823.11 and 55,839.33

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Solution

The fourth proportional to 94,078.17, 129,823.11 and 55,839.33 is: 77,055.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,078.17 : 129,823.11 = 55,839.33 : x
  2. Step 2: Convert to fraction form
    94,078.17/129,823.11 = 55,839.33/x
  3. Step 3: Cross multiply
    94,078.17x = 129,823.11 × 55,839.33
  4. Step 4: Simplify right side
    94,078.17x = 7,249,235,480.92
  5. Step 5: Solve for x
    x = 7,249,235,480.92/94,078.17
  6. Step 6: Final answer
    x = 77,055.45

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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.