Home / 98,725.06-136,243.71-54,013.06

Finding the Fourth Proportional to 98,725.06, 136,243.71 and 54,013.06

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Solution

The fourth proportional to 98,725.06, 136,243.71 and 54,013.06 is: 74,539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,725.06 : 136,243.71 = 54,013.06 : x
  2. Step 2: Convert to fraction form
    98,725.06/136,243.71 = 54,013.06/x
  3. Step 3: Cross multiply
    98,725.06x = 136,243.71 × 54,013.06
  4. Step 4: Simplify right side
    98,725.06x = 7,358,939,682.85
  5. Step 5: Solve for x
    x = 7,358,939,682.85/98,725.06
  6. Step 6: Final answer
    x = 74,539.73

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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.