Home / 63,140.10-87,130.59-34,459.02

Finding the Fourth Proportional to 63,140.10, 87,130.59 and 34,459.02

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Solution

The fourth proportional to 63,140.10, 87,130.59 and 34,459.02 is: 47,551.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,140.10 : 87,130.59 = 34,459.02 : x
  2. Step 2: Convert to fraction form
    63,140.10/87,130.59 = 34,459.02/x
  3. Step 3: Cross multiply
    63,140.10x = 87,130.59 × 34,459.02
  4. Step 4: Simplify right side
    63,140.10x = 3,002,434,743.42
  5. Step 5: Solve for x
    x = 3,002,434,743.42/63,140.10
  6. Step 6: Final answer
    x = 47,551.95

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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.