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Finding the Fourth Proportional to 92,671.30, 127,885.01 and 52,383.65

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Solution

The fourth proportional to 92,671.30, 127,885.01 and 52,383.65 is: 72,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,671.30 : 127,885.01 = 52,383.65 : x
  2. Step 2: Convert to fraction form
    92,671.30/127,885.01 = 52,383.65/x
  3. Step 3: Cross multiply
    92,671.30x = 127,885.01 × 52,383.65
  4. Step 4: Simplify right side
    92,671.30x = 6,699,082,702.74
  5. Step 5: Solve for x
    x = 6,699,082,702.74/92,671.30
  6. Step 6: Final answer
    x = 72,288.64

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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.