Home / 113,290.60-169,949.75-38,432.16

Finding the Fourth Proportional to 113,290.60, 169,949.75 and 38,432.16

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Solution

The fourth proportional to 113,290.60, 169,949.75 and 38,432.16 is: 57,652.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,290.60 : 169,949.75 = 38,432.16 : x
  2. Step 2: Convert to fraction form
    113,290.60/169,949.75 = 38,432.16/x
  3. Step 3: Cross multiply
    113,290.60x = 169,949.75 × 38,432.16
  4. Step 4: Simplify right side
    113,290.60x = 6,531,535,552.81
  5. Step 5: Solve for x
    x = 6,531,535,552.81/113,290.60
  6. Step 6: Final answer
    x = 57,652.93

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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.