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Finding the Fourth Proportional to 84,700, 127,050 and 35,452

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Solution

The fourth proportional to 84,700, 127,050 and 35,452 is: 53,178

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,700 : 127,050 = 35,452 : x
  2. Step 2: Convert to fraction form
    84,700/127,050 = 35,452/x
  3. Step 3: Cross multiply
    84,700x = 127,050 × 35,452
  4. Step 4: Simplify right side
    84,700x = 4,504,176,600
  5. Step 5: Solve for x
    x = 4,504,176,600/84,700
  6. Step 6: Final answer
    x = 53,178

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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.