Home / 98,279.22-135,625.32-55,837.80

Finding the Fourth Proportional to 98,279.22, 135,625.32 and 55,837.80

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Solution

The fourth proportional to 98,279.22, 135,625.32 and 55,837.80 is: 77,056.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,279.22 : 135,625.32 = 55,837.80 : x
  2. Step 2: Convert to fraction form
    98,279.22/135,625.32 = 55,837.80/x
  3. Step 3: Cross multiply
    98,279.22x = 135,625.32 × 55,837.80
  4. Step 4: Simplify right side
    98,279.22x = 7,573,019,493.10
  5. Step 5: Solve for x
    x = 7,573,019,493.10/98,279.22
  6. Step 6: Final answer
    x = 77,056.16

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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.