Home / 91,127.28-136,600.20-63,366.96

Finding the Fourth Proportional to 91,127.28, 136,600.20 and 63,366.96

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Solution

The fourth proportional to 91,127.28, 136,600.20 and 63,366.96 is: 94,987.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,127.28 : 136,600.20 = 63,366.96 : x
  2. Step 2: Convert to fraction form
    91,127.28/136,600.20 = 63,366.96/x
  3. Step 3: Cross multiply
    91,127.28x = 136,600.20 × 63,366.96
  4. Step 4: Simplify right side
    91,127.28x = 8,655,939,409.39
  5. Step 5: Solve for x
    x = 8,655,939,409.39/91,127.28
  6. Step 6: Final answer
    x = 94,987.36

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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.