Home / 99,829.68-137,715.23-59,515.04

Finding the Fourth Proportional to 99,829.68, 137,715.23 and 59,515.04

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Solution

The fourth proportional to 99,829.68, 137,715.23 and 59,515.04 is: 82,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,829.68 : 137,715.23 = 59,515.04 : x
  2. Step 2: Convert to fraction form
    99,829.68/137,715.23 = 59,515.04/x
  3. Step 3: Cross multiply
    99,829.68x = 137,715.23 × 59,515.04
  4. Step 4: Simplify right side
    99,829.68x = 8,196,126,435.91
  5. Step 5: Solve for x
    x = 8,196,126,435.91/99,829.68
  6. Step 6: Final answer
    x = 82,101.10

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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.