Home / 47,932.16-66,192-45,314.24

Finding the Fourth Proportional to 47,932.16, 66,192 and 45,314.24

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Solution

The fourth proportional to 47,932.16, 66,192 and 45,314.24 is: 62,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,932.16 : 66,192 = 45,314.24 : x
  2. Step 2: Convert to fraction form
    47,932.16/66,192 = 45,314.24/x
  3. Step 3: Cross multiply
    47,932.16x = 66,192 × 45,314.24
  4. Step 4: Simplify right side
    47,932.16x = 2,999,440,174.08
  5. Step 5: Solve for x
    x = 2,999,440,174.08/47,932.16
  6. Step 6: Final answer
    x = 62,576.78

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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.