Home / 67,925.46-101,929.65-42,931.09

Finding the Fourth Proportional to 67,925.46, 101,929.65 and 42,931.09

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Solution

The fourth proportional to 67,925.46, 101,929.65 and 42,931.09 is: 64,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,925.46 : 101,929.65 = 42,931.09 : x
  2. Step 2: Convert to fraction form
    67,925.46/101,929.65 = 42,931.09/x
  3. Step 3: Cross multiply
    67,925.46x = 101,929.65 × 42,931.09
  4. Step 4: Simplify right side
    67,925.46x = 4,375,950,944.24
  5. Step 5: Solve for x
    x = 4,375,950,944.24/67,925.46
  6. Step 6: Final answer
    x = 64,422.84

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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.