Home / 81,300.50-112,191.82-45,002.02

Finding the Fourth Proportional to 81,300.50, 112,191.82 and 45,002.02

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Solution

The fourth proportional to 81,300.50, 112,191.82 and 45,002.02 is: 62,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,300.50 : 112,191.82 = 45,002.02 : x
  2. Step 2: Convert to fraction form
    81,300.50/112,191.82 = 45,002.02/x
  3. Step 3: Cross multiply
    81,300.50x = 112,191.82 × 45,002.02
  4. Step 4: Simplify right side
    81,300.50x = 5,048,858,527.48
  5. Step 5: Solve for x
    x = 5,048,858,527.48/81,300.50
  6. Step 6: Final answer
    x = 62,101.20

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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.