Home / 103,514.88-155,281.68-44,337.12

Finding the Fourth Proportional to 103,514.88, 155,281.68 and 44,337.12

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Solution

The fourth proportional to 103,514.88, 155,281.68 and 44,337.12 is: 66,509.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,514.88 : 155,281.68 = 44,337.12 : x
  2. Step 2: Convert to fraction form
    103,514.88/155,281.68 = 44,337.12/x
  3. Step 3: Cross multiply
    103,514.88x = 155,281.68 × 44,337.12
  4. Step 4: Simplify right side
    103,514.88x = 6,884,742,479.96
  5. Step 5: Solve for x
    x = 6,884,742,479.96/103,514.88
  6. Step 6: Final answer
    x = 66,509.69

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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.