Home / 83,858.06-115,726.23-45,619.76

Finding the Fourth Proportional to 83,858.06, 115,726.23 and 45,619.76

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Solution

The fourth proportional to 83,858.06, 115,726.23 and 45,619.76 is: 62,956.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,858.06 : 115,726.23 = 45,619.76 : x
  2. Step 2: Convert to fraction form
    83,858.06/115,726.23 = 45,619.76/x
  3. Step 3: Cross multiply
    83,858.06x = 115,726.23 × 45,619.76
  4. Step 4: Simplify right side
    83,858.06x = 5,279,403,127.62
  5. Step 5: Solve for x
    x = 5,279,403,127.62/83,858.06
  6. Step 6: Final answer
    x = 62,956.42

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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.