Home / 67,421.28-101,131.90-63,265.98

Finding the Fourth Proportional to 67,421.28, 101,131.90 and 63,265.98

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Solution

The fourth proportional to 67,421.28, 101,131.90 and 63,265.98 is: 94,898.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,421.28 : 101,131.90 = 63,265.98 : x
  2. Step 2: Convert to fraction form
    67,421.28/101,131.90 = 63,265.98/x
  3. Step 3: Cross multiply
    67,421.28x = 101,131.90 × 63,265.98
  4. Step 4: Simplify right side
    67,421.28x = 6,398,208,762.76
  5. Step 5: Solve for x
    x = 6,398,208,762.76/67,421.28
  6. Step 6: Final answer
    x = 94,898.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.