Home / 74,532.29-102,868.60-42,701.11

Finding the Fourth Proportional to 74,532.29, 102,868.60 and 42,701.11

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Solution

The fourth proportional to 74,532.29, 102,868.60 and 42,701.11 is: 58,935.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,532.29 : 102,868.60 = 42,701.11 : x
  2. Step 2: Convert to fraction form
    74,532.29/102,868.60 = 42,701.11/x
  3. Step 3: Cross multiply
    74,532.29x = 102,868.60 × 42,701.11
  4. Step 4: Simplify right side
    74,532.29x = 4,392,603,404.15
  5. Step 5: Solve for x
    x = 4,392,603,404.15/74,532.29
  6. Step 6: Final answer
    x = 58,935.58

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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.