Home / 113,695.49-170,661.53-83,743.55

Finding the Fourth Proportional to 113,695.49, 170,661.53 and 83,743.55

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Solution

The fourth proportional to 113,695.49, 170,661.53 and 83,743.55 is: 125,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,695.49 : 170,661.53 = 83,743.55 : x
  2. Step 2: Convert to fraction form
    113,695.49/170,661.53 = 83,743.55/x
  3. Step 3: Cross multiply
    113,695.49x = 170,661.53 × 83,743.55
  4. Step 4: Simplify right side
    113,695.49x = 14,291,801,098.61
  5. Step 5: Solve for x
    x = 14,291,801,098.61/113,695.49
  6. Step 6: Final answer
    x = 125,702.45

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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.