Home / 98,309.12-135,676.32-58,036.16

Finding the Fourth Proportional to 98,309.12, 135,676.32 and 58,036.16

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Solution

The fourth proportional to 98,309.12, 135,676.32 and 58,036.16 is: 80,095.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,309.12 : 135,676.32 = 58,036.16 : x
  2. Step 2: Convert to fraction form
    98,309.12/135,676.32 = 58,036.16/x
  3. Step 3: Cross multiply
    98,309.12x = 135,676.32 × 58,036.16
  4. Step 4: Simplify right side
    98,309.12x = 7,874,132,615.73
  5. Step 5: Solve for x
    x = 7,874,132,615.73/98,309.12
  6. Step 6: Final answer
    x = 80,095.65

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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.