Home / 52,112.16-71,915.04-30,616.38

Finding the Fourth Proportional to 52,112.16, 71,915.04 and 30,616.38

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Solution

The fourth proportional to 52,112.16, 71,915.04 and 30,616.38 is: 42,250.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,112.16 : 71,915.04 = 30,616.38 : x
  2. Step 2: Convert to fraction form
    52,112.16/71,915.04 = 30,616.38/x
  3. Step 3: Cross multiply
    52,112.16x = 71,915.04 × 30,616.38
  4. Step 4: Simplify right side
    52,112.16x = 2,201,778,192.36
  5. Step 5: Solve for x
    x = 2,201,778,192.36/52,112.16
  6. Step 6: Final answer
    x = 42,250.76

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1.5x scale

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.