Home / 82,666.32-123,980.85-23,500.68

Finding the Fourth Proportional to 82,666.32, 123,980.85 and 23,500.68

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Solution

The fourth proportional to 82,666.32, 123,980.85 and 23,500.68 is: 35,245.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,666.32 : 123,980.85 = 23,500.68 : x
  2. Step 2: Convert to fraction form
    82,666.32/123,980.85 = 23,500.68/x
  3. Step 3: Cross multiply
    82,666.32x = 123,980.85 × 23,500.68
  4. Step 4: Simplify right side
    82,666.32x = 2,913,634,281.98
  5. Step 5: Solve for x
    x = 2,913,634,281.98/82,666.32
  6. Step 6: Final answer
    x = 35,245.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.