Home / 98,902.81-136,488.34-58,610.04

Finding the Fourth Proportional to 98,902.81, 136,488.34 and 58,610.04

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Solution

The fourth proportional to 98,902.81, 136,488.34 and 58,610.04 is: 80,883.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,902.81 : 136,488.34 = 58,610.04 : x
  2. Step 2: Convert to fraction form
    98,902.81/136,488.34 = 58,610.04/x
  3. Step 3: Cross multiply
    98,902.81x = 136,488.34 × 58,610.04
  4. Step 4: Simplify right side
    98,902.81x = 7,999,587,066.93
  5. Step 5: Solve for x
    x = 7,999,587,066.93/98,902.81
  6. Step 6: Final answer
    x = 80,883.31

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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.