Home / 63,148.90-87,061.75-52,353.02

Finding the Fourth Proportional to 63,148.90, 87,061.75 and 52,353.02

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Solution

The fourth proportional to 63,148.90, 87,061.75 and 52,353.02 is: 72,177.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,148.90 : 87,061.75 = 52,353.02 : x
  2. Step 2: Convert to fraction form
    63,148.90/87,061.75 = 52,353.02/x
  3. Step 3: Cross multiply
    63,148.90x = 87,061.75 × 52,353.02
  4. Step 4: Simplify right side
    63,148.90x = 4,557,945,538.99
  5. Step 5: Solve for x
    x = 4,557,945,538.99/63,148.90
  6. Step 6: Final answer
    x = 72,177.75

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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.