Home / 42,882.08-64,342.16-23,137.76

Finding the Fourth Proportional to 42,882.08, 64,342.16 and 23,137.76

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Solution

The fourth proportional to 42,882.08, 64,342.16 and 23,137.76 is: 34,716.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,882.08 : 64,342.16 = 23,137.76 : x
  2. Step 2: Convert to fraction form
    42,882.08/64,342.16 = 23,137.76/x
  3. Step 3: Cross multiply
    42,882.08x = 64,342.16 × 23,137.76
  4. Step 4: Simplify right side
    42,882.08x = 1,488,733,455.96
  5. Step 5: Solve for x
    x = 1,488,733,455.96/42,882.08
  6. Step 6: Final answer
    x = 34,716.91

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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.