Home / 74,344.41-102,595.38-40,352.90

Finding the Fourth Proportional to 74,344.41, 102,595.38 and 40,352.90

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Solution

The fourth proportional to 74,344.41, 102,595.38 and 40,352.90 is: 55,687.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,344.41 : 102,595.38 = 40,352.90 : x
  2. Step 2: Convert to fraction form
    74,344.41/102,595.38 = 40,352.90/x
  3. Step 3: Cross multiply
    74,344.41x = 102,595.38 × 40,352.90
  4. Step 4: Simplify right side
    74,344.41x = 4,140,021,192.64
  5. Step 5: Solve for x
    x = 4,140,021,192.64/74,344.41
  6. Step 6: Final answer
    x = 55,687.06

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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.