Home / 74,691.46-103,074.60-40,700.32

Finding the Fourth Proportional to 74,691.46, 103,074.60 and 40,700.32

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Solution

The fourth proportional to 74,691.46, 103,074.60 and 40,700.32 is: 56,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,691.46 : 103,074.60 = 40,700.32 : x
  2. Step 2: Convert to fraction form
    74,691.46/103,074.60 = 40,700.32/x
  3. Step 3: Cross multiply
    74,691.46x = 103,074.60 × 40,700.32
  4. Step 4: Simplify right side
    74,691.46x = 4,195,169,203.87
  5. Step 5: Solve for x
    x = 4,195,169,203.87/74,691.46
  6. Step 6: Final answer
    x = 56,166.65

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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.