Home / 63,107.86-87,089.10-34,428.13

Finding the Fourth Proportional to 63,107.86, 87,089.10 and 34,428.13

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Solution

The fourth proportional to 63,107.86, 87,089.10 and 34,428.13 is: 47,510.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,107.86 : 87,089.10 = 34,428.13 : x
  2. Step 2: Convert to fraction form
    63,107.86/87,089.10 = 34,428.13/x
  3. Step 3: Cross multiply
    63,107.86x = 87,089.10 × 34,428.13
  4. Step 4: Simplify right side
    63,107.86x = 2,998,314,856.38
  5. Step 5: Solve for x
    x = 2,998,314,856.38/63,107.86
  6. Step 6: Final answer
    x = 47,510.96

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1.5x scale

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.