Home / 48,436.65-72,615.77-15,139.58

Finding the Fourth Proportional to 48,436.65, 72,615.77 and 15,139.58

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Solution

The fourth proportional to 48,436.65, 72,615.77 and 15,139.58 is: 22,697.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,436.65 : 72,615.77 = 15,139.58 : x
  2. Step 2: Convert to fraction form
    48,436.65/72,615.77 = 15,139.58/x
  3. Step 3: Cross multiply
    48,436.65x = 72,615.77 × 15,139.58
  4. Step 4: Simplify right side
    48,436.65x = 1,099,371,896.10
  5. Step 5: Solve for x
    x = 1,099,371,896.10/48,436.65
  6. Step 6: Final answer
    x = 22,697.11

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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.