Home / 98,713.72-136,224.96-55,702.33

Finding the Fourth Proportional to 98,713.72, 136,224.96 and 55,702.33

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Solution

The fourth proportional to 98,713.72, 136,224.96 and 55,702.33 is: 76,869.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,713.72 : 136,224.96 = 55,702.33 : x
  2. Step 2: Convert to fraction form
    98,713.72/136,224.96 = 55,702.33/x
  3. Step 3: Cross multiply
    98,713.72x = 136,224.96 × 55,702.33
  4. Step 4: Simplify right side
    98,713.72x = 7,588,047,676.16
  5. Step 5: Solve for x
    x = 7,588,047,676.16/98,713.72
  6. Step 6: Final answer
    x = 76,869.23

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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.