Home / 84,970.56-127,381.32-32,345.04

Finding the Fourth Proportional to 84,970.56, 127,381.32 and 32,345.04

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Solution

The fourth proportional to 84,970.56, 127,381.32 and 32,345.04 is: 48,489.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,970.56 : 127,381.32 = 32,345.04 : x
  2. Step 2: Convert to fraction form
    84,970.56/127,381.32 = 32,345.04/x
  3. Step 3: Cross multiply
    84,970.56x = 127,381.32 × 32,345.04
  4. Step 4: Simplify right side
    84,970.56x = 4,120,153,890.65
  5. Step 5: Solve for x
    x = 4,120,153,890.65/84,970.56
  6. Step 6: Final answer
    x = 48,489.19

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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.