Home / 84,854.30-127,108.65-43,324.70

Finding the Fourth Proportional to 84,854.30, 127,108.65 and 43,324.70

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Solution

The fourth proportional to 84,854.30, 127,108.65 and 43,324.70 is: 64,898.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,854.30 : 127,108.65 = 43,324.70 : x
  2. Step 2: Convert to fraction form
    84,854.30/127,108.65 = 43,324.70/x
  3. Step 3: Cross multiply
    84,854.30x = 127,108.65 × 43,324.70
  4. Step 4: Simplify right side
    84,854.30x = 5,506,944,128.66
  5. Step 5: Solve for x
    x = 5,506,944,128.66/84,854.30
  6. Step 6: Final answer
    x = 64,898.82

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1.5x scale

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.