Home / 107,788.32-148,748.04-62,475.12

Finding the Fourth Proportional to 107,788.32, 148,748.04 and 62,475.12

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Solution

The fourth proportional to 107,788.32, 148,748.04 and 62,475.12 is: 86,215.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,788.32 : 148,748.04 = 62,475.12 : x
  2. Step 2: Convert to fraction form
    107,788.32/148,748.04 = 62,475.12/x
  3. Step 3: Cross multiply
    107,788.32x = 148,748.04 × 62,475.12
  4. Step 4: Simplify right side
    107,788.32x = 9,293,051,648.76
  5. Step 5: Solve for x
    x = 9,293,051,648.76/107,788.32
  6. Step 6: Final answer
    x = 86,215.76

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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.