Home / 84,488.08-116,565.08-48,677.20

Finding the Fourth Proportional to 84,488.08, 116,565.08 and 48,677.20

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Solution

The fourth proportional to 84,488.08, 116,565.08 and 48,677.20 is: 67,158.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,488.08 : 116,565.08 = 48,677.20 : x
  2. Step 2: Convert to fraction form
    84,488.08/116,565.08 = 48,677.20/x
  3. Step 3: Cross multiply
    84,488.08x = 116,565.08 × 48,677.20
  4. Step 4: Simplify right side
    84,488.08x = 5,674,061,712.18
  5. Step 5: Solve for x
    x = 5,674,061,712.18/84,488.08
  6. Step 6: Final answer
    x = 67,158.13

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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.