Home / 74,604.68-102,948.18-42,766.28

Finding the Fourth Proportional to 74,604.68, 102,948.18 and 42,766.28

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Solution

The fourth proportional to 74,604.68, 102,948.18 and 42,766.28 is: 59,013.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,604.68 : 102,948.18 = 42,766.28 : x
  2. Step 2: Convert to fraction form
    74,604.68/102,948.18 = 42,766.28/x
  3. Step 3: Cross multiply
    74,604.68x = 102,948.18 × 42,766.28
  4. Step 4: Simplify right side
    74,604.68x = 4,402,710,691.37
  5. Step 5: Solve for x
    x = 4,402,710,691.37/74,604.68
  6. Step 6: Final answer
    x = 59,013.87

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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.