Home / 84,732.27-127,134.30-42,590.16

Finding the Fourth Proportional to 84,732.27, 127,134.30 and 42,590.16

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Solution

The fourth proportional to 84,732.27, 127,134.30 and 42,590.16 is: 63,903.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,732.27 : 127,134.30 = 42,590.16 : x
  2. Step 2: Convert to fraction form
    84,732.27/127,134.30 = 42,590.16/x
  3. Step 3: Cross multiply
    84,732.27x = 127,134.30 × 42,590.16
  4. Step 4: Simplify right side
    84,732.27x = 5,414,670,178.49
  5. Step 5: Solve for x
    x = 5,414,670,178.49/84,732.27
  6. Step 6: Final answer
    x = 63,903.28

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1.5x scale

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.