Home / 48,465.72-72,685.14-13,402.68

Finding the Fourth Proportional to 48,465.72, 72,685.14 and 13,402.68

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Solution

The fourth proportional to 48,465.72, 72,685.14 and 13,402.68 is: 20,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,465.72 : 72,685.14 = 13,402.68 : x
  2. Step 2: Convert to fraction form
    48,465.72/72,685.14 = 13,402.68/x
  3. Step 3: Cross multiply
    48,465.72x = 72,685.14 × 13,402.68
  4. Step 4: Simplify right side
    48,465.72x = 974,175,672.18
  5. Step 5: Solve for x
    x = 974,175,672.18/48,465.72
  6. Step 6: Final answer
    x = 20,100.30

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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.