Home / 84,445.38-116,488.54-54,235.30

Finding the Fourth Proportional to 84,445.38, 116,488.54 and 54,235.30

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Solution

The fourth proportional to 84,445.38, 116,488.54 and 54,235.30 is: 74,815.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,445.38 : 116,488.54 = 54,235.30 : x
  2. Step 2: Convert to fraction form
    84,445.38/116,488.54 = 54,235.30/x
  3. Step 3: Cross multiply
    84,445.38x = 116,488.54 × 54,235.30
  4. Step 4: Simplify right side
    84,445.38x = 6,317,790,913.46
  5. Step 5: Solve for x
    x = 6,317,790,913.46/84,445.38
  6. Step 6: Final answer
    x = 74,815.12

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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.