Home / 42,063.12-58,007.88-27,902.16

Finding the Fourth Proportional to 42,063.12, 58,007.88 and 27,902.16

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Solution

The fourth proportional to 42,063.12, 58,007.88 and 27,902.16 is: 38,478.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,063.12 : 58,007.88 = 27,902.16 : x
  2. Step 2: Convert to fraction form
    42,063.12/58,007.88 = 27,902.16/x
  3. Step 3: Cross multiply
    42,063.12x = 58,007.88 × 27,902.16
  4. Step 4: Simplify right side
    42,063.12x = 1,618,545,149.02
  5. Step 5: Solve for x
    x = 1,618,545,149.02/42,063.12
  6. Step 6: Final answer
    x = 38,478.96

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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.