Home / 98,217.60-147,399.30-39,095.70

Finding the Fourth Proportional to 98,217.60, 147,399.30 and 39,095.70

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Solution

The fourth proportional to 98,217.60, 147,399.30 and 39,095.70 is: 58,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,217.60 : 147,399.30 = 39,095.70 : x
  2. Step 2: Convert to fraction form
    98,217.60/147,399.30 = 39,095.70/x
  3. Step 3: Cross multiply
    98,217.60x = 147,399.30 × 39,095.70
  4. Step 4: Simplify right side
    98,217.60x = 5,762,678,813.01
  5. Step 5: Solve for x
    x = 5,762,678,813.01/98,217.60
  6. Step 6: Final answer
    x = 58,672.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.