Home / 98,642.75-136,094.31-55,616.83

Finding the Fourth Proportional to 98,642.75, 136,094.31 and 55,616.83

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Solution

The fourth proportional to 98,642.75, 136,094.31 and 55,616.83 is: 76,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,642.75 : 136,094.31 = 55,616.83 : x
  2. Step 2: Convert to fraction form
    98,642.75/136,094.31 = 55,616.83/x
  3. Step 3: Cross multiply
    98,642.75x = 136,094.31 × 55,616.83
  4. Step 4: Simplify right side
    98,642.75x = 7,569,133,763.00
  5. Step 5: Solve for x
    x = 7,569,133,763.00/98,642.75
  6. Step 6: Final answer
    x = 76,732.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.