Home / 102,585.75-153,887.44-36,020.16

Finding the Fourth Proportional to 102,585.75, 153,887.44 and 36,020.16

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Solution

The fourth proportional to 102,585.75, 153,887.44 and 36,020.16 is: 54,033.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,585.75 : 153,887.44 = 36,020.16 : x
  2. Step 2: Convert to fraction form
    102,585.75/153,887.44 = 36,020.16/x
  3. Step 3: Cross multiply
    102,585.75x = 153,887.44 × 36,020.16
  4. Step 4: Simplify right side
    102,585.75x = 5,543,050,210.79
  5. Step 5: Solve for x
    x = 5,543,050,210.79/102,585.75
  6. Step 6: Final answer
    x = 54,033.34

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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.