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Finding the Fourth Proportional to 92,671.84, 127,885.92 and 50,230.08

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Solution

The fourth proportional to 92,671.84, 127,885.92 and 50,230.08 is: 69,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,671.84 : 127,885.92 = 50,230.08 : x
  2. Step 2: Convert to fraction form
    92,671.84/127,885.92 = 50,230.08/x
  3. Step 3: Cross multiply
    92,671.84x = 127,885.92 × 50,230.08
  4. Step 4: Simplify right side
    92,671.84x = 6,423,719,992.47
  5. Step 5: Solve for x
    x = 6,423,719,992.47/92,671.84
  6. Step 6: Final answer
    x = 69,316.85

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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.