Home / 83,368.24-115,064.56-47,554.80

Finding the Fourth Proportional to 83,368.24, 115,064.56 and 47,554.80

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Solution

The fourth proportional to 83,368.24, 115,064.56 and 47,554.80 is: 65,634.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,368.24 : 115,064.56 = 47,554.80 : x
  2. Step 2: Convert to fraction form
    83,368.24/115,064.56 = 47,554.80/x
  3. Step 3: Cross multiply
    83,368.24x = 115,064.56 × 47,554.80
  4. Step 4: Simplify right side
    83,368.24x = 5,471,872,137.89
  5. Step 5: Solve for x
    x = 5,471,872,137.89/83,368.24
  6. Step 6: Final answer
    x = 65,634.97

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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.