Home / 83,427.44-115,129.98-45,187.07

Finding the Fourth Proportional to 83,427.44, 115,129.98 and 45,187.07

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Solution

The fourth proportional to 83,427.44, 115,129.98 and 45,187.07 is: 62,358.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,427.44 : 115,129.98 = 45,187.07 : x
  2. Step 2: Convert to fraction form
    83,427.44/115,129.98 = 45,187.07/x
  3. Step 3: Cross multiply
    83,427.44x = 115,129.98 × 45,187.07
  4. Step 4: Simplify right side
    83,427.44x = 5,202,385,889.71
  5. Step 5: Solve for x
    x = 5,202,385,889.71/83,427.44
  6. Step 6: Final answer
    x = 62,358.21

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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.