Home / 98,727.56-136,247.18-54,015.56

Finding the Fourth Proportional to 98,727.56, 136,247.18 and 54,015.56

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Solution

The fourth proportional to 98,727.56, 136,247.18 and 54,015.56 is: 74,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,727.56 : 136,247.18 = 54,015.56 : x
  2. Step 2: Convert to fraction form
    98,727.56/136,247.18 = 54,015.56/x
  3. Step 3: Cross multiply
    98,727.56x = 136,247.18 × 54,015.56
  4. Step 4: Simplify right side
    98,727.56x = 7,359,467,726.12
  5. Step 5: Solve for x
    x = 7,359,467,726.12/98,727.56
  6. Step 6: Final answer
    x = 74,543.19

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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.