Home / 63,140.32-87,130.89-34,459.25

Finding the Fourth Proportional to 63,140.32, 87,130.89 and 34,459.25

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Solution

The fourth proportional to 63,140.32, 87,130.89 and 34,459.25 is: 47,552.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,140.32 : 87,130.89 = 34,459.25 : x
  2. Step 2: Convert to fraction form
    63,140.32/87,130.89 = 34,459.25/x
  3. Step 3: Cross multiply
    63,140.32x = 87,130.89 × 34,459.25
  4. Step 4: Simplify right side
    63,140.32x = 3,002,465,121.23
  5. Step 5: Solve for x
    x = 3,002,465,121.23/63,140.32
  6. Step 6: Final answer
    x = 47,552.26

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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.