Home / 74,818.75-103,259.46-42,993.85

Finding the Fourth Proportional to 74,818.75, 103,259.46 and 42,993.85

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Solution

The fourth proportional to 74,818.75, 103,259.46 and 42,993.85 is: 59,337.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,818.75 : 103,259.46 = 42,993.85 : x
  2. Step 2: Convert to fraction form
    74,818.75/103,259.46 = 42,993.85/x
  3. Step 3: Cross multiply
    74,818.75x = 103,259.46 × 42,993.85
  4. Step 4: Simplify right side
    74,818.75x = 4,439,521,734.32
  5. Step 5: Solve for x
    x = 4,439,521,734.32/74,818.75
  6. Step 6: Final answer
    x = 59,337.02

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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.