Home / 98,630.02-136,106.70-55,609.13

Finding the Fourth Proportional to 98,630.02, 136,106.70 and 55,609.13

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Solution

The fourth proportional to 98,630.02, 136,106.70 and 55,609.13 is: 76,739.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,630.02 : 136,106.70 = 55,609.13 : x
  2. Step 2: Convert to fraction form
    98,630.02/136,106.70 = 55,609.13/x
  3. Step 3: Cross multiply
    98,630.02x = 136,106.70 × 55,609.13
  4. Step 4: Simplify right side
    98,630.02x = 7,568,775,174.17
  5. Step 5: Solve for x
    x = 7,568,775,174.17/98,630.02
  6. Step 6: Final answer
    x = 76,739.06

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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.