Home / 83,099.08-114,618.54-56,229.76

Finding the Fourth Proportional to 83,099.08, 114,618.54 and 56,229.76

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Solution

The fourth proportional to 83,099.08, 114,618.54 and 56,229.76 is: 77,557.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,099.08 : 114,618.54 = 56,229.76 : x
  2. Step 2: Convert to fraction form
    83,099.08/114,618.54 = 56,229.76/x
  3. Step 3: Cross multiply
    83,099.08x = 114,618.54 × 56,229.76
  4. Step 4: Simplify right side
    83,099.08x = 6,444,972,995.75
  5. Step 5: Solve for x
    x = 6,444,972,995.75/83,099.08
  6. Step 6: Final answer
    x = 77,557.69

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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.