Home / 84,488.28-116,589.20-48,184.40

Finding the Fourth Proportional to 84,488.28, 116,589.20 and 48,184.40

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Solution

The fourth proportional to 84,488.28, 116,589.20 and 48,184.40 is: 66,491.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,488.28 : 116,589.20 = 48,184.40 : x
  2. Step 2: Convert to fraction form
    84,488.28/116,589.20 = 48,184.40/x
  3. Step 3: Cross multiply
    84,488.28x = 116,589.20 × 48,184.40
  4. Step 4: Simplify right side
    84,488.28x = 5,617,779,824.61
  5. Step 5: Solve for x
    x = 5,617,779,824.61/84,488.28
  6. Step 6: Final answer
    x = 66,491.82

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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.