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Finding the Fourth Proportional to 92,668.34, 127,888.84 and 52,382.40

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Solution

The fourth proportional to 92,668.34, 127,888.84 and 52,382.40 is: 72,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,668.34 : 127,888.84 = 52,382.40 : x
  2. Step 2: Convert to fraction form
    92,668.34/127,888.84 = 52,382.40/x
  3. Step 3: Cross multiply
    92,668.34x = 127,888.84 × 52,382.40
  4. Step 4: Simplify right side
    92,668.34x = 6,699,124,372.42
  5. Step 5: Solve for x
    x = 6,699,124,372.42/92,668.34
  6. Step 6: Final answer
    x = 72,291.40

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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.