Home / 82,931.28-114,445.17-45,205.53

Finding the Fourth Proportional to 82,931.28, 114,445.17 and 45,205.53

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Solution

The fourth proportional to 82,931.28, 114,445.17 and 45,205.53 is: 62,383.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,931.28 : 114,445.17 = 45,205.53 : x
  2. Step 2: Convert to fraction form
    82,931.28/114,445.17 = 45,205.53/x
  3. Step 3: Cross multiply
    82,931.28x = 114,445.17 × 45,205.53
  4. Step 4: Simplify right side
    82,931.28x = 5,173,554,565.79
  5. Step 5: Solve for x
    x = 5,173,554,565.79/82,931.28
  6. Step 6: Final answer
    x = 62,383.63

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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.