Home / 98,267.12-135,613.43-55,260.15

Finding the Fourth Proportional to 98,267.12, 135,613.43 and 55,260.15

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Solution

The fourth proportional to 98,267.12, 135,613.43 and 55,260.15 is: 76,261.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,267.12 : 135,613.43 = 55,260.15 : x
  2. Step 2: Convert to fraction form
    98,267.12/135,613.43 = 55,260.15/x
  3. Step 3: Cross multiply
    98,267.12x = 135,613.43 × 55,260.15
  4. Step 4: Simplify right side
    98,267.12x = 7,494,018,207.51
  5. Step 5: Solve for x
    x = 7,494,018,207.51/98,267.12
  6. Step 6: Final answer
    x = 76,261.71

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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.