Home / 90,175.93-124,388.47-59,549.28

Finding the Fourth Proportional to 90,175.93, 124,388.47 and 59,549.28

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Solution

The fourth proportional to 90,175.93, 124,388.47 and 59,549.28 is: 82,142.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,175.93 : 124,388.47 = 59,549.28 : x
  2. Step 2: Convert to fraction form
    90,175.93/124,388.47 = 59,549.28/x
  3. Step 3: Cross multiply
    90,175.93x = 124,388.47 × 59,549.28
  4. Step 4: Simplify right side
    90,175.93x = 7,407,243,520.52
  5. Step 5: Solve for x
    x = 7,407,243,520.52/90,175.93
  6. Step 6: Final answer
    x = 82,142.13

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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.