Home / 56,460.68-77,720.18-48,800.46

Finding the Fourth Proportional to 56,460.68, 77,720.18 and 48,800.46

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Solution

The fourth proportional to 56,460.68, 77,720.18 and 48,800.46 is: 67,175.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,460.68 : 77,720.18 = 48,800.46 : x
  2. Step 2: Convert to fraction form
    56,460.68/77,720.18 = 48,800.46/x
  3. Step 3: Cross multiply
    56,460.68x = 77,720.18 × 48,800.46
  4. Step 4: Simplify right side
    56,460.68x = 3,792,780,535.28
  5. Step 5: Solve for x
    x = 3,792,780,535.28/56,460.68
  6. Step 6: Final answer
    x = 67,175.61

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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.