Home / 91,089.33-125,713.13-55,280.85

Finding the Fourth Proportional to 91,089.33, 125,713.13 and 55,280.85

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Solution

The fourth proportional to 91,089.33, 125,713.13 and 55,280.85 is: 76,293.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,089.33 : 125,713.13 = 55,280.85 : x
  2. Step 2: Convert to fraction form
    91,089.33/125,713.13 = 55,280.85/x
  3. Step 3: Cross multiply
    91,089.33x = 125,713.13 × 55,280.85
  4. Step 4: Simplify right side
    91,089.33x = 6,949,528,406.16
  5. Step 5: Solve for x
    x = 6,949,528,406.16/91,089.33
  6. Step 6: Final answer
    x = 76,293.55

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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.