Home / 77,247.40-115,668.08-62,174.30

Finding the Fourth Proportional to 77,247.40, 115,668.08 and 62,174.30

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Solution

The fourth proportional to 77,247.40, 115,668.08 and 62,174.30 is: 93,098.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,247.40 : 115,668.08 = 62,174.30 : x
  2. Step 2: Convert to fraction form
    77,247.40/115,668.08 = 62,174.30/x
  3. Step 3: Cross multiply
    77,247.40x = 115,668.08 × 62,174.30
  4. Step 4: Simplify right side
    77,247.40x = 7,191,581,595.47
  5. Step 5: Solve for x
    x = 7,191,581,595.47/77,247.40
  6. Step 6: Final answer
    x = 93,098.05

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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.