Home / 55,369.12-83,084.40-40,608.16

Finding the Fourth Proportional to 55,369.12, 83,084.40 and 40,608.16

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Solution

The fourth proportional to 55,369.12, 83,084.40 and 40,608.16 is: 60,934.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,369.12 : 83,084.40 = 40,608.16 : x
  2. Step 2: Convert to fraction form
    55,369.12/83,084.40 = 40,608.16/x
  3. Step 3: Cross multiply
    55,369.12x = 83,084.40 × 40,608.16
  4. Step 4: Simplify right side
    55,369.12x = 3,373,904,608.70
  5. Step 5: Solve for x
    x = 3,373,904,608.70/55,369.12
  6. Step 6: Final answer
    x = 60,934.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.