Home / 91,439.93-126,184.17-51,152.83

Finding the Fourth Proportional to 91,439.93, 126,184.17 and 51,152.83

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Solution

The fourth proportional to 91,439.93, 126,184.17 and 51,152.83 is: 70,589.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,439.93 : 126,184.17 = 51,152.83 : x
  2. Step 2: Convert to fraction form
    91,439.93/126,184.17 = 51,152.83/x
  3. Step 3: Cross multiply
    91,439.93x = 126,184.17 × 51,152.83
  4. Step 4: Simplify right side
    91,439.93x = 6,454,677,396.70
  5. Step 5: Solve for x
    x = 6,454,677,396.70/91,439.93
  6. Step 6: Final answer
    x = 70,589.26

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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.