Home / 74,737.40-103,134.54-47,842.04

Finding the Fourth Proportional to 74,737.40, 103,134.54 and 47,842.04

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Solution

The fourth proportional to 74,737.40, 103,134.54 and 47,842.04 is: 66,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,737.40 : 103,134.54 = 47,842.04 : x
  2. Step 2: Convert to fraction form
    74,737.40/103,134.54 = 47,842.04/x
  3. Step 3: Cross multiply
    74,737.40x = 103,134.54 × 47,842.04
  4. Step 4: Simplify right side
    74,737.40x = 4,934,166,788.06
  5. Step 5: Solve for x
    x = 4,934,166,788.06/74,737.40
  6. Step 6: Final answer
    x = 66,020.05

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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.