Home / 74,867.60-103,326.12-43,037.84

Finding the Fourth Proportional to 74,867.60, 103,326.12 and 43,037.84

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Solution

The fourth proportional to 74,867.60, 103,326.12 and 43,037.84 is: 59,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,867.60 : 103,326.12 = 43,037.84 : x
  2. Step 2: Convert to fraction form
    74,867.60/103,326.12 = 43,037.84/x
  3. Step 3: Cross multiply
    74,867.60x = 103,326.12 × 43,037.84
  4. Step 4: Simplify right side
    74,867.60x = 4,446,933,020.38
  5. Step 5: Solve for x
    x = 4,446,933,020.38/74,867.60
  6. Step 6: Final answer
    x = 59,397.30

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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.