Home / 85,333.14-117,649.80-58,429.26

Finding the Fourth Proportional to 85,333.14, 117,649.80 and 58,429.26

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Solution

The fourth proportional to 85,333.14, 117,649.80 and 58,429.26 is: 80,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,333.14 : 117,649.80 = 58,429.26 : x
  2. Step 2: Convert to fraction form
    85,333.14/117,649.80 = 58,429.26/x
  3. Step 3: Cross multiply
    85,333.14x = 117,649.80 × 58,429.26
  4. Step 4: Simplify right side
    85,333.14x = 6,874,190,753.15
  5. Step 5: Solve for x
    x = 6,874,190,753.15/85,333.14
  6. Step 6: Final answer
    x = 80,557.11

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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.