Home / 83,476.56-115,196.40-45,750.84

Finding the Fourth Proportional to 83,476.56, 115,196.40 and 45,750.84

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Solution

The fourth proportional to 83,476.56, 115,196.40 and 45,750.84 is: 63,135.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,476.56 : 115,196.40 = 45,750.84 : x
  2. Step 2: Convert to fraction form
    83,476.56/115,196.40 = 45,750.84/x
  3. Step 3: Cross multiply
    83,476.56x = 115,196.40 × 45,750.84
  4. Step 4: Simplify right side
    83,476.56x = 5,270,332,064.98
  5. Step 5: Solve for x
    x = 5,270,332,064.98/83,476.56
  6. Step 6: Final answer
    x = 63,135.47

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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.