Home / 74,726.28-103,119.84-40,734.23

Finding the Fourth Proportional to 74,726.28, 103,119.84 and 40,734.23

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Solution

The fourth proportional to 74,726.28, 103,119.84 and 40,734.23 is: 56,211.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,726.28 : 103,119.84 = 40,734.23 : x
  2. Step 2: Convert to fraction form
    74,726.28/103,119.84 = 40,734.23/x
  3. Step 3: Cross multiply
    74,726.28x = 103,119.84 × 40,734.23
  4. Step 4: Simplify right side
    74,726.28x = 4,200,506,764.52
  5. Step 5: Solve for x
    x = 4,200,506,764.52/74,726.28
  6. Step 6: Final answer
    x = 56,211.91

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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.