Home / 74,065.59-102,104.19-52,807.95

Finding the Fourth Proportional to 74,065.59, 102,104.19 and 52,807.95

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Solution

The fourth proportional to 74,065.59, 102,104.19 and 52,807.95 is: 72,799.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,065.59 : 102,104.19 = 52,807.95 : x
  2. Step 2: Convert to fraction form
    74,065.59/102,104.19 = 52,807.95/x
  3. Step 3: Cross multiply
    74,065.59x = 102,104.19 × 52,807.95
  4. Step 4: Simplify right side
    74,065.59x = 5,391,912,960.31
  5. Step 5: Solve for x
    x = 5,391,912,960.31/74,065.59
  6. Step 6: Final answer
    x = 72,799.16

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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.