Home / 85,939.19-118,617.87-58,726.28

Finding the Fourth Proportional to 85,939.19, 118,617.87 and 58,726.28

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Solution

The fourth proportional to 85,939.19, 118,617.87 and 58,726.28 is: 81,057.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,939.19 : 118,617.87 = 58,726.28 : x
  2. Step 2: Convert to fraction form
    85,939.19/118,617.87 = 58,726.28/x
  3. Step 3: Cross multiply
    85,939.19x = 118,617.87 × 58,726.28
  4. Step 4: Simplify right side
    85,939.19x = 6,965,986,543.17
  5. Step 5: Solve for x
    x = 6,965,986,543.17/85,939.19
  6. Step 6: Final answer
    x = 81,057.16

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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.