Home / 72,876.54-100,616.07-59,479.74

Finding the Fourth Proportional to 72,876.54, 100,616.07 and 59,479.74

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Solution

The fourth proportional to 72,876.54, 100,616.07 and 59,479.74 is: 82,119.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,876.54 : 100,616.07 = 59,479.74 : x
  2. Step 2: Convert to fraction form
    72,876.54/100,616.07 = 59,479.74/x
  3. Step 3: Cross multiply
    72,876.54x = 100,616.07 × 59,479.74
  4. Step 4: Simplify right side
    72,876.54x = 5,984,617,683.42
  5. Step 5: Solve for x
    x = 5,984,617,683.42/72,876.54
  6. Step 6: Final answer
    x = 82,119.95

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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.