Home / 67,778.40-101,681.16-23,406.76

Finding the Fourth Proportional to 67,778.40, 101,681.16 and 23,406.76

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Solution

The fourth proportional to 67,778.40, 101,681.16 and 23,406.76 is: 35,114.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,778.40 : 101,681.16 = 23,406.76 : x
  2. Step 2: Convert to fraction form
    67,778.40/101,681.16 = 23,406.76/x
  3. Step 3: Cross multiply
    67,778.40x = 101,681.16 × 23,406.76
  4. Step 4: Simplify right side
    67,778.40x = 2,380,026,508.64
  5. Step 5: Solve for x
    x = 2,380,026,508.64/67,778.40
  6. Step 6: Final answer
    x = 35,114.82

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1.5x scale

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.