Home / 85,805.43-118,341.28-60,395.91

Finding the Fourth Proportional to 85,805.43, 118,341.28 and 60,395.91

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Solution

The fourth proportional to 85,805.43, 118,341.28 and 60,395.91 is: 83,296.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,805.43 : 118,341.28 = 60,395.91 : x
  2. Step 2: Convert to fraction form
    85,805.43/118,341.28 = 60,395.91/x
  3. Step 3: Cross multiply
    85,805.43x = 118,341.28 × 60,395.91
  4. Step 4: Simplify right side
    85,805.43x = 7,147,329,296.16
  5. Step 5: Solve for x
    x = 7,147,329,296.16/85,805.43
  6. Step 6: Final answer
    x = 83,296.93

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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.