Home / 74,150.24-102,329.88-40,616.24

Finding the Fourth Proportional to 74,150.24, 102,329.88 and 40,616.24

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Solution

The fourth proportional to 74,150.24, 102,329.88 and 40,616.24 is: 56,051.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,150.24 : 102,329.88 = 40,616.24 : x
  2. Step 2: Convert to fraction form
    74,150.24/102,329.88 = 40,616.24/x
  3. Step 3: Cross multiply
    74,150.24x = 102,329.88 × 40,616.24
  4. Step 4: Simplify right side
    74,150.24x = 4,156,254,965.25
  5. Step 5: Solve for x
    x = 4,156,254,965.25/74,150.24
  6. Step 6: Final answer
    x = 56,051.81

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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.