Home / 56,460.05-77,719.32-48,799.84

Finding the Fourth Proportional to 56,460.05, 77,719.32 and 48,799.84

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Solution

The fourth proportional to 56,460.05, 77,719.32 and 48,799.84 is: 67,174.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,460.05 : 77,719.32 = 48,799.84 : x
  2. Step 2: Convert to fraction form
    56,460.05/77,719.32 = 48,799.84/x
  3. Step 3: Cross multiply
    56,460.05x = 77,719.32 × 48,799.84
  4. Step 4: Simplify right side
    56,460.05x = 3,792,690,186.61
  5. Step 5: Solve for x
    x = 3,792,690,186.61/56,460.05
  6. Step 6: Final answer
    x = 67,174.75

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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.