Home / 83,386.44-115,073.28-45,660.69

Finding the Fourth Proportional to 83,386.44, 115,073.28 and 45,660.69

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Solution

The fourth proportional to 83,386.44, 115,073.28 and 45,660.69 is: 63,011.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,386.44 : 115,073.28 = 45,660.69 : x
  2. Step 2: Convert to fraction form
    83,386.44/115,073.28 = 45,660.69/x
  3. Step 3: Cross multiply
    83,386.44x = 115,073.28 × 45,660.69
  4. Step 4: Simplify right side
    83,386.44x = 5,254,325,365.36
  5. Step 5: Solve for x
    x = 5,254,325,365.36/83,386.44
  6. Step 6: Final answer
    x = 63,011.75

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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.