Home / 75,070.12-103,613.70-43,244.68

Finding the Fourth Proportional to 75,070.12, 103,613.70 and 43,244.68

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Solution

The fourth proportional to 75,070.12, 103,613.70 and 43,244.68 is: 59,687.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,070.12 : 103,613.70 = 43,244.68 : x
  2. Step 2: Convert to fraction form
    75,070.12/103,613.70 = 43,244.68/x
  3. Step 3: Cross multiply
    75,070.12x = 103,613.70 × 43,244.68
  4. Step 4: Simplify right side
    75,070.12x = 4,480,741,300.12
  5. Step 5: Solve for x
    x = 4,480,741,300.12/75,070.12
  6. Step 6: Final answer
    x = 59,687.41

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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.