Home / 103,622.06-142,997.02-60,631.11

Finding the Fourth Proportional to 103,622.06, 142,997.02 and 60,631.11

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Solution

The fourth proportional to 103,622.06, 142,997.02 and 60,631.11 is: 83,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,622.06 : 142,997.02 = 60,631.11 : x
  2. Step 2: Convert to fraction form
    103,622.06/142,997.02 = 60,631.11/x
  3. Step 3: Cross multiply
    103,622.06x = 142,997.02 × 60,631.11
  4. Step 4: Simplify right side
    103,622.06x = 8,670,068,049.29
  5. Step 5: Solve for x
    x = 8,670,068,049.29/103,622.06
  6. Step 6: Final answer
    x = 83,670.10

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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.