Home / 56,459.68-77,718.80-48,799.46

Finding the Fourth Proportional to 56,459.68, 77,718.80 and 48,799.46

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Solution

The fourth proportional to 56,459.68, 77,718.80 and 48,799.46 is: 67,174.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,459.68 : 77,718.80 = 48,799.46 : x
  2. Step 2: Convert to fraction form
    56,459.68/77,718.80 = 48,799.46/x
  3. Step 3: Cross multiply
    56,459.68x = 77,718.80 × 48,799.46
  4. Step 4: Simplify right side
    56,459.68x = 3,792,635,788.14
  5. Step 5: Solve for x
    x = 3,792,635,788.14/56,459.68
  6. Step 6: Final answer
    x = 67,174.24

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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.