Home / 48,545.33-72,812.32-13,009.71

Finding the Fourth Proportional to 48,545.33, 72,812.32 and 13,009.71

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Solution

The fourth proportional to 48,545.33, 72,812.32 and 13,009.71 is: 19,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,545.33 : 72,812.32 = 13,009.71 : x
  2. Step 2: Convert to fraction form
    48,545.33/72,812.32 = 13,009.71/x
  3. Step 3: Cross multiply
    48,545.33x = 72,812.32 × 13,009.71
  4. Step 4: Simplify right side
    48,545.33x = 947,267,408.15
  5. Step 5: Solve for x
    x = 947,267,408.15/48,545.33
  6. Step 6: Final answer
    x = 19,513.05

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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.