Home / 42,159.07-63,519.88-38,161.42

Finding the Fourth Proportional to 42,159.07, 63,519.88 and 38,161.42

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Solution

The fourth proportional to 42,159.07, 63,519.88 and 38,161.42 is: 57,496.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,159.07 : 63,519.88 = 38,161.42 : x
  2. Step 2: Convert to fraction form
    42,159.07/63,519.88 = 38,161.42/x
  3. Step 3: Cross multiply
    42,159.07x = 63,519.88 × 38,161.42
  4. Step 4: Simplify right side
    42,159.07x = 2,424,008,819.03
  5. Step 5: Solve for x
    x = 2,424,008,819.03/42,159.07
  6. Step 6: Final answer
    x = 57,496.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.