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Finding the Fourth Proportional to 83,168.25, 114,775.02 and 45,444.93

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Solution

The fourth proportional to 83,168.25, 114,775.02 and 45,444.93 is: 62,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,168.25 : 114,775.02 = 45,444.93 : x
  2. Step 2: Convert to fraction form
    83,168.25/114,775.02 = 45,444.93/x
  3. Step 3: Cross multiply
    83,168.25x = 114,775.02 × 45,444.93
  4. Step 4: Simplify right side
    83,168.25x = 5,215,942,749.65
  5. Step 5: Solve for x
    x = 5,215,942,749.65/83,168.25
  6. Step 6: Final answer
    x = 62,715.55

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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.