Home / 84,426.75-116,498.79-48,628.40

Finding the Fourth Proportional to 84,426.75, 116,498.79 and 48,628.40

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Solution

The fourth proportional to 84,426.75, 116,498.79 and 48,628.40 is: 67,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,426.75 : 116,498.79 = 48,628.40 : x
  2. Step 2: Convert to fraction form
    84,426.75/116,498.79 = 48,628.40/x
  3. Step 3: Cross multiply
    84,426.75x = 116,498.79 × 48,628.40
  4. Step 4: Simplify right side
    84,426.75x = 5,665,149,177.14
  5. Step 5: Solve for x
    x = 5,665,149,177.14/84,426.75
  6. Step 6: Final answer
    x = 67,101.35

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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.