Home / 103,097.46-142,272.16-60,074.28

Finding the Fourth Proportional to 103,097.46, 142,272.16 and 60,074.28

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Solution

The fourth proportional to 103,097.46, 142,272.16 and 60,074.28 is: 82,901.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,097.46 : 142,272.16 = 60,074.28 : x
  2. Step 2: Convert to fraction form
    103,097.46/142,272.16 = 60,074.28/x
  3. Step 3: Cross multiply
    103,097.46x = 142,272.16 × 60,074.28
  4. Step 4: Simplify right side
    103,097.46x = 8,546,897,576.04
  5. Step 5: Solve for x
    x = 8,546,897,576.04/103,097.46
  6. Step 6: Final answer
    x = 82,901.15

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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.