Home / 98,272.42-135,616.38-55,833.28

Finding the Fourth Proportional to 98,272.42, 135,616.38 and 55,833.28

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Solution

The fourth proportional to 98,272.42, 135,616.38 and 55,833.28 is: 77,050.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,272.42 : 135,616.38 = 55,833.28 : x
  2. Step 2: Convert to fraction form
    98,272.42/135,616.38 = 55,833.28/x
  3. Step 3: Cross multiply
    98,272.42x = 135,616.38 × 55,833.28
  4. Step 4: Simplify right side
    98,272.42x = 7,571,907,317.13
  5. Step 5: Solve for x
    x = 7,571,907,317.13/98,272.42
  6. Step 6: Final answer
    x = 77,050.18

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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.