Home / 74,329.24-102,574.63-40,337.73

Finding the Fourth Proportional to 74,329.24, 102,574.63 and 40,337.73

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Solution

The fourth proportional to 74,329.24, 102,574.63 and 40,337.73 is: 55,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,329.24 : 102,574.63 = 40,337.73 : x
  2. Step 2: Convert to fraction form
    74,329.24/102,574.63 = 40,337.73/x
  3. Step 3: Cross multiply
    74,329.24x = 102,574.63 × 40,337.73
  4. Step 4: Simplify right side
    74,329.24x = 4,137,627,216.92
  5. Step 5: Solve for x
    x = 4,137,627,216.92/74,329.24
  6. Step 6: Final answer
    x = 55,666.21

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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.