Home / 63,135.20-87,127.07-34,455.08

Finding the Fourth Proportional to 63,135.20, 87,127.07 and 34,455.08

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Solution

The fourth proportional to 63,135.20, 87,127.07 and 34,455.08 is: 47,548.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,135.20 : 87,127.07 = 34,455.08 : x
  2. Step 2: Convert to fraction form
    63,135.20/87,127.07 = 34,455.08/x
  3. Step 3: Cross multiply
    63,135.20x = 87,127.07 × 34,455.08
  4. Step 4: Simplify right side
    63,135.20x = 3,001,970,167.02
  5. Step 5: Solve for x
    x = 3,001,970,167.02/63,135.20
  6. Step 6: Final answer
    x = 47,548.28

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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.