Home / 63,139.50-87,134.40-34,847.01

Finding the Fourth Proportional to 63,139.50, 87,134.40 and 34,847.01

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Solution

The fourth proportional to 63,139.50, 87,134.40 and 34,847.01 is: 48,089.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,139.50 : 87,134.40 = 34,847.01 : x
  2. Step 2: Convert to fraction form
    63,139.50/87,134.40 = 34,847.01/x
  3. Step 3: Cross multiply
    63,139.50x = 87,134.40 × 34,847.01
  4. Step 4: Simplify right side
    63,139.50x = 3,036,373,308.14
  5. Step 5: Solve for x
    x = 3,036,373,308.14/63,139.50
  6. Step 6: Final answer
    x = 48,089.92

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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.