Home / 98,316.96-135,625.68-66,496.56

Finding the Fourth Proportional to 98,316.96, 135,625.68 and 66,496.56

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Solution

The fourth proportional to 98,316.96, 135,625.68 and 66,496.56 is: 91,730.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,316.96 : 135,625.68 = 66,496.56 : x
  2. Step 2: Convert to fraction form
    98,316.96/135,625.68 = 66,496.56/x
  3. Step 3: Cross multiply
    98,316.96x = 135,625.68 × 66,496.56
  4. Step 4: Simplify right side
    98,316.96x = 9,018,641,167.66
  5. Step 5: Solve for x
    x = 9,018,641,167.66/98,316.96
  6. Step 6: Final answer
    x = 91,730.27

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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.