Home / 83,120.76-114,707.07-45,395.01

Finding the Fourth Proportional to 83,120.76, 114,707.07 and 45,395.01

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Solution

The fourth proportional to 83,120.76, 114,707.07 and 45,395.01 is: 62,645.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,120.76 : 114,707.07 = 45,395.01 : x
  2. Step 2: Convert to fraction form
    83,120.76/114,707.07 = 45,395.01/x
  3. Step 3: Cross multiply
    83,120.76x = 114,707.07 × 45,395.01
  4. Step 4: Simplify right side
    83,120.76x = 5,207,128,589.72
  5. Step 5: Solve for x
    x = 5,207,128,589.72/83,120.76
  6. Step 6: Final answer
    x = 62,645.34

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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.