Home / 56,461.11-77,720.73-48,800.87

Finding the Fourth Proportional to 56,461.11, 77,720.73 and 48,800.87

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Solution

The fourth proportional to 56,461.11, 77,720.73 and 48,800.87 is: 67,176.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,461.11 : 77,720.73 = 48,800.87 : x
  2. Step 2: Convert to fraction form
    56,461.11/77,720.73 = 48,800.87/x
  3. Step 3: Cross multiply
    56,461.11x = 77,720.73 × 48,800.87
  4. Step 4: Simplify right side
    56,461.11x = 3,792,838,960.88
  5. Step 5: Solve for x
    x = 3,792,838,960.88/56,461.11
  6. Step 6: Final answer
    x = 67,176.14

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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.