Home / 62,931.42-94,440.78-40,689.66

Finding the Fourth Proportional to 62,931.42, 94,440.78 and 40,689.66

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Solution

The fourth proportional to 62,931.42, 94,440.78 and 40,689.66 is: 61,062.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,931.42 : 94,440.78 = 40,689.66 : x
  2. Step 2: Convert to fraction form
    62,931.42/94,440.78 = 40,689.66/x
  3. Step 3: Cross multiply
    62,931.42x = 94,440.78 × 40,689.66
  4. Step 4: Simplify right side
    62,931.42x = 3,842,763,228.33
  5. Step 5: Solve for x
    x = 3,842,763,228.33/62,931.42
  6. Step 6: Final answer
    x = 61,062.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.