Home / 52,318.64-77,985.10-48,119.60

Finding the Fourth Proportional to 52,318.64, 77,985.10 and 48,119.60

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Solution

The fourth proportional to 52,318.64, 77,985.10 and 48,119.60 is: 71,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,318.64 : 77,985.10 = 48,119.60 : x
  2. Step 2: Convert to fraction form
    52,318.64/77,985.10 = 48,119.60/x
  3. Step 3: Cross multiply
    52,318.64x = 77,985.10 × 48,119.60
  4. Step 4: Simplify right side
    52,318.64x = 3,752,611,817.96
  5. Step 5: Solve for x
    x = 3,752,611,817.96/52,318.64
  6. Step 6: Final answer
    x = 71,726.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.