Home / 80,967.07-121,210.72-60,001.22

Finding the Fourth Proportional to 80,967.07, 121,210.72 and 60,001.22

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Solution

The fourth proportional to 80,967.07, 121,210.72 and 60,001.22 is: 89,824.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,967.07 : 121,210.72 = 60,001.22 : x
  2. Step 2: Convert to fraction form
    80,967.07/121,210.72 = 60,001.22/x
  3. Step 3: Cross multiply
    80,967.07x = 121,210.72 × 60,001.22
  4. Step 4: Simplify right side
    80,967.07x = 7,272,791,230.10
  5. Step 5: Solve for x
    x = 7,272,791,230.10/80,967.07
  6. Step 6: Final answer
    x = 89,824.06

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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.