Home / 45,463.12-62,738.22-31,122.59

Finding the Fourth Proportional to 45,463.12, 62,738.22 and 31,122.59

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Solution

The fourth proportional to 45,463.12, 62,738.22 and 31,122.59 is: 42,948.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,463.12 : 62,738.22 = 31,122.59 : x
  2. Step 2: Convert to fraction form
    45,463.12/62,738.22 = 31,122.59/x
  3. Step 3: Cross multiply
    45,463.12x = 62,738.22 × 31,122.59
  4. Step 4: Simplify right side
    45,463.12x = 1,952,575,832.66
  5. Step 5: Solve for x
    x = 1,952,575,832.66/45,463.12
  6. Step 6: Final answer
    x = 42,948.57

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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.