Home / 74,825.35-103,276.65-43,012.70

Finding the Fourth Proportional to 74,825.35, 103,276.65 and 43,012.70

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Solution

The fourth proportional to 74,825.35, 103,276.65 and 43,012.70 is: 59,367.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,825.35 : 103,276.65 = 43,012.70 : x
  2. Step 2: Convert to fraction form
    74,825.35/103,276.65 = 43,012.70/x
  3. Step 3: Cross multiply
    74,825.35x = 103,276.65 × 43,012.70
  4. Step 4: Simplify right side
    74,825.35x = 4,442,207,563.46
  5. Step 5: Solve for x
    x = 4,442,207,563.46/74,825.35
  6. Step 6: Final answer
    x = 59,367.68

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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.