Home / 109,097.20-163,559.40-59,849.20

Finding the Fourth Proportional to 109,097.20, 163,559.40 and 59,849.20

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Solution

The fourth proportional to 109,097.20, 163,559.40 and 59,849.20 is: 89,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,097.20 : 163,559.40 = 59,849.20 : x
  2. Step 2: Convert to fraction form
    109,097.20/163,559.40 = 59,849.20/x
  3. Step 3: Cross multiply
    109,097.20x = 163,559.40 × 59,849.20
  4. Step 4: Simplify right side
    109,097.20x = 9,788,899,242.48
  5. Step 5: Solve for x
    x = 9,788,899,242.48/109,097.20
  6. Step 6: Final answer
    x = 89,726.40

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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.