Home / 74,145.92-102,333.12-43,931.84

Finding the Fourth Proportional to 74,145.92, 102,333.12 and 43,931.84

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Solution

The fourth proportional to 74,145.92, 102,333.12 and 43,931.84 is: 60,632.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,145.92 : 102,333.12 = 43,931.84 : x
  2. Step 2: Convert to fraction form
    74,145.92/102,333.12 = 43,931.84/x
  3. Step 3: Cross multiply
    74,145.92x = 102,333.12 × 43,931.84
  4. Step 4: Simplify right side
    74,145.92x = 4,495,682,254.54
  5. Step 5: Solve for x
    x = 4,495,682,254.54/74,145.92
  6. Step 6: Final answer
    x = 60,632.90

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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.