Home / 74,007.60-102,141.98-48,587.71

Finding the Fourth Proportional to 74,007.60, 102,141.98 and 48,587.71

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Solution

The fourth proportional to 74,007.60, 102,141.98 and 48,587.71 is: 67,058.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,007.60 : 102,141.98 = 48,587.71 : x
  2. Step 2: Convert to fraction form
    74,007.60/102,141.98 = 48,587.71/x
  3. Step 3: Cross multiply
    74,007.60x = 102,141.98 × 48,587.71
  4. Step 4: Simplify right side
    74,007.60x = 4,962,844,855.17
  5. Step 5: Solve for x
    x = 4,962,844,855.17/74,007.60
  6. Step 6: Final answer
    x = 67,058.59

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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.