Home / 99,790.28-137,707.12-59,483.24

Finding the Fourth Proportional to 99,790.28, 137,707.12 and 59,483.24

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Solution

The fourth proportional to 99,790.28, 137,707.12 and 59,483.24 is: 82,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,790.28 : 137,707.12 = 59,483.24 : x
  2. Step 2: Convert to fraction form
    99,790.28/137,707.12 = 59,483.24/x
  3. Step 3: Cross multiply
    99,790.28x = 137,707.12 × 59,483.24
  4. Step 4: Simplify right side
    99,790.28x = 8,191,265,668.67
  5. Step 5: Solve for x
    x = 8,191,265,668.67/99,790.28
  6. Step 6: Final answer
    x = 82,084.80

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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.