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Finding the Fourth Proportional to 84,754.51, 127,082.53 and 32,135.29

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Solution

The fourth proportional to 84,754.51, 127,082.53 and 32,135.29 is: 48,184.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,754.51 : 127,082.53 = 32,135.29 : x
  2. Step 2: Convert to fraction form
    84,754.51/127,082.53 = 32,135.29/x
  3. Step 3: Cross multiply
    84,754.51x = 127,082.53 × 32,135.29
  4. Step 4: Simplify right side
    84,754.51x = 4,083,833,955.48
  5. Step 5: Solve for x
    x = 4,083,833,955.48/84,754.51
  6. Step 6: Final answer
    x = 48,184.27

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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.