Home / 100,049.04-138,050.52-59,778.96

Finding the Fourth Proportional to 100,049.04, 138,050.52 and 59,778.96

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Solution

The fourth proportional to 100,049.04, 138,050.52 and 59,778.96 is: 82,484.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,049.04 : 138,050.52 = 59,778.96 : x
  2. Step 2: Convert to fraction form
    100,049.04/138,050.52 = 59,778.96/x
  3. Step 3: Cross multiply
    100,049.04x = 138,050.52 × 59,778.96
  4. Step 4: Simplify right side
    100,049.04x = 8,252,516,513.06
  5. Step 5: Solve for x
    x = 8,252,516,513.06/100,049.04
  6. Step 6: Final answer
    x = 82,484.71

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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.