Home / 83,659.66-115,450.43-45,419.24

Finding the Fourth Proportional to 83,659.66, 115,450.43 and 45,419.24

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Solution

The fourth proportional to 83,659.66, 115,450.43 and 45,419.24 is: 62,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,659.66 : 115,450.43 = 45,419.24 : x
  2. Step 2: Convert to fraction form
    83,659.66/115,450.43 = 45,419.24/x
  3. Step 3: Cross multiply
    83,659.66x = 115,450.43 × 45,419.24
  4. Step 4: Simplify right side
    83,659.66x = 5,243,670,416.86
  5. Step 5: Solve for x
    x = 5,243,670,416.86/83,659.66
  6. Step 6: Final answer
    x = 62,678.60

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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.