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Finding the Fourth Proportional to 92,672.30, 127,886.38 and 52,384.65

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Solution

The fourth proportional to 92,672.30, 127,886.38 and 52,384.65 is: 72,290.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,672.30 : 127,886.38 = 52,384.65 : x
  2. Step 2: Convert to fraction form
    92,672.30/127,886.38 = 52,384.65/x
  3. Step 3: Cross multiply
    92,672.30x = 127,886.38 × 52,384.65
  4. Step 4: Simplify right side
    92,672.30x = 6,699,283,256.07
  5. Step 5: Solve for x
    x = 6,699,283,256.07/92,672.30
  6. Step 6: Final answer
    x = 72,290.03

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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.