Home / 74,609.15-102,957.27-40,616.77

Finding the Fourth Proportional to 74,609.15, 102,957.27 and 40,616.77

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Solution

The fourth proportional to 74,609.15, 102,957.27 and 40,616.77 is: 56,049.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,609.15 : 102,957.27 = 40,616.77 : x
  2. Step 2: Convert to fraction form
    74,609.15/102,957.27 = 40,616.77/x
  3. Step 3: Cross multiply
    74,609.15x = 102,957.27 × 40,616.77
  4. Step 4: Simplify right side
    74,609.15x = 4,181,791,037.55
  5. Step 5: Solve for x
    x = 4,181,791,037.55/74,609.15
  6. Step 6: Final answer
    x = 56,049.31

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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.