Home / 113,788.15-170,712.47-38,908.17

Finding the Fourth Proportional to 113,788.15, 170,712.47 and 38,908.17

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Solution

The fourth proportional to 113,788.15, 170,712.47 and 38,908.17 is: 58,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,788.15 : 170,712.47 = 38,908.17 : x
  2. Step 2: Convert to fraction form
    113,788.15/170,712.47 = 38,908.17/x
  3. Step 3: Cross multiply
    113,788.15x = 170,712.47 × 38,908.17
  4. Step 4: Simplify right side
    113,788.15x = 6,642,109,901.15
  5. Step 5: Solve for x
    x = 6,642,109,901.15/113,788.15
  6. Step 6: Final answer
    x = 58,372.60

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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.