Home / 121,084.47-167,111.40-73,337.70

Finding the Fourth Proportional to 121,084.47, 167,111.40 and 73,337.70

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Solution

The fourth proportional to 121,084.47, 167,111.40 and 73,337.70 is: 101,215.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,084.47 : 167,111.40 = 73,337.70 : x
  2. Step 2: Convert to fraction form
    121,084.47/167,111.40 = 73,337.70/x
  3. Step 3: Cross multiply
    121,084.47x = 167,111.40 × 73,337.70
  4. Step 4: Simplify right side
    121,084.47x = 12,255,566,621.46
  5. Step 5: Solve for x
    x = 12,255,566,621.46/121,084.47
  6. Step 6: Final answer
    x = 101,215.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.