Home / 109,862.19-164,806.48-38,770.16

Finding the Fourth Proportional to 109,862.19, 164,806.48 and 38,770.16

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Solution

The fourth proportional to 109,862.19, 164,806.48 and 38,770.16 is: 58,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,862.19 : 164,806.48 = 38,770.16 : x
  2. Step 2: Convert to fraction form
    109,862.19/164,806.48 = 38,770.16/x
  3. Step 3: Cross multiply
    109,862.19x = 164,806.48 × 38,770.16
  4. Step 4: Simplify right side
    109,862.19x = 6,389,573,750.10
  5. Step 5: Solve for x
    x = 6,389,573,750.10/109,862.19
  6. Step 6: Final answer
    x = 58,159.90

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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.