Home / 84,766.16-116,986.56-54,167.28

Finding the Fourth Proportional to 84,766.16, 116,986.56 and 54,167.28

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Solution

The fourth proportional to 84,766.16, 116,986.56 and 54,167.28 is: 74,756.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,766.16 : 116,986.56 = 54,167.28 : x
  2. Step 2: Convert to fraction form
    84,766.16/116,986.56 = 54,167.28/x
  3. Step 3: Cross multiply
    84,766.16x = 116,986.56 × 54,167.28
  4. Step 4: Simplify right side
    84,766.16x = 6,336,843,751.76
  5. Step 5: Solve for x
    x = 6,336,843,751.76/84,766.16
  6. Step 6: Final answer
    x = 74,756.76

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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.