Home / 91,717.20-126,577.20-53,998.80

Finding the Fourth Proportional to 91,717.20, 126,577.20 and 53,998.80

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Solution

The fourth proportional to 91,717.20, 126,577.20 and 53,998.80 is: 74,522.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,717.20 : 126,577.20 = 53,998.80 : x
  2. Step 2: Convert to fraction form
    91,717.20/126,577.20 = 53,998.80/x
  3. Step 3: Cross multiply
    91,717.20x = 126,577.20 × 53,998.80
  4. Step 4: Simplify right side
    91,717.20x = 6,835,016,907.36
  5. Step 5: Solve for x
    x = 6,835,016,907.36/91,717.20
  6. Step 6: Final answer
    x = 74,522.74

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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.