Home / 41,712.76-62,569.32-12,130.72

Finding the Fourth Proportional to 41,712.76, 62,569.32 and 12,130.72

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Solution

The fourth proportional to 41,712.76, 62,569.32 and 12,130.72 is: 18,196.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,712.76 : 62,569.32 = 12,130.72 : x
  2. Step 2: Convert to fraction form
    41,712.76/62,569.32 = 12,130.72/x
  3. Step 3: Cross multiply
    41,712.76x = 62,569.32 × 12,130.72
  4. Step 4: Simplify right side
    41,712.76x = 759,010,901.51
  5. Step 5: Solve for x
    x = 759,010,901.51/41,712.76
  6. Step 6: Final answer
    x = 18,196.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.