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Finding the Fourth Proportional to 67,464.78, 101,178.72 and 25,341.63

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Solution

The fourth proportional to 67,464.78, 101,178.72 and 25,341.63 is: 38,005.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,464.78 : 101,178.72 = 25,341.63 : x
  2. Step 2: Convert to fraction form
    67,464.78/101,178.72 = 25,341.63/x
  3. Step 3: Cross multiply
    67,464.78x = 101,178.72 × 25,341.63
  4. Step 4: Simplify right side
    67,464.78x = 2,564,033,686.11
  5. Step 5: Solve for x
    x = 2,564,033,686.11/67,464.78
  6. Step 6: Final answer
    x = 38,005.51

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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.