Home / 99,460.17-137,307.15-76,750.02

Finding the Fourth Proportional to 99,460.17, 137,307.15 and 76,750.02

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Solution

The fourth proportional to 99,460.17, 137,307.15 and 76,750.02 is: 105,955.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,460.17 : 137,307.15 = 76,750.02 : x
  2. Step 2: Convert to fraction form
    99,460.17/137,307.15 = 76,750.02/x
  3. Step 3: Cross multiply
    99,460.17x = 137,307.15 × 76,750.02
  4. Step 4: Simplify right side
    99,460.17x = 10,538,326,508.64
  5. Step 5: Solve for x
    x = 10,538,326,508.64/99,460.17
  6. Step 6: Final answer
    x = 105,955.24

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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.