Home / 75,144.60-103,674.36-43,312.83

Finding the Fourth Proportional to 75,144.60, 103,674.36 and 43,312.83

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Solution

The fourth proportional to 75,144.60, 103,674.36 and 43,312.83 is: 59,757.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,144.60 : 103,674.36 = 43,312.83 : x
  2. Step 2: Convert to fraction form
    75,144.60/103,674.36 = 43,312.83/x
  3. Step 3: Cross multiply
    75,144.60x = 103,674.36 × 43,312.83
  4. Step 4: Simplify right side
    75,144.60x = 4,490,429,930.04
  5. Step 5: Solve for x
    x = 4,490,429,930.04/75,144.60
  6. Step 6: Final answer
    x = 59,757.19

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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.