Home / 94,040.77-129,776.24-53,755.40

Finding the Fourth Proportional to 94,040.77, 129,776.24 and 53,755.40

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Solution

The fourth proportional to 94,040.77, 129,776.24 and 53,755.40 is: 74,182.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,040.77 : 129,776.24 = 53,755.40 : x
  2. Step 2: Convert to fraction form
    94,040.77/129,776.24 = 53,755.40/x
  3. Step 3: Cross multiply
    94,040.77x = 129,776.24 × 53,755.40
  4. Step 4: Simplify right side
    94,040.77x = 6,976,173,177.20
  5. Step 5: Solve for x
    x = 6,976,173,177.20/94,040.77
  6. Step 6: Final answer
    x = 74,182.44

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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.