Home / 58,537.42-80,781.64-31,680.12

Finding the Fourth Proportional to 58,537.42, 80,781.64 and 31,680.12

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Solution

The fourth proportional to 58,537.42, 80,781.64 and 31,680.12 is: 43,718.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,537.42 : 80,781.64 = 31,680.12 : x
  2. Step 2: Convert to fraction form
    58,537.42/80,781.64 = 31,680.12/x
  3. Step 3: Cross multiply
    58,537.42x = 80,781.64 × 31,680.12
  4. Step 4: Simplify right side
    58,537.42x = 2,559,172,049.00
  5. Step 5: Solve for x
    x = 2,559,172,049.00/58,537.42
  6. Step 6: Final answer
    x = 43,718.57

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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.