Home / 98,590.05-136,119.96-58,316.75

Finding the Fourth Proportional to 98,590.05, 136,119.96 and 58,316.75

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Solution

The fourth proportional to 98,590.05, 136,119.96 and 58,316.75 is: 80,515.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,590.05 : 136,119.96 = 58,316.75 : x
  2. Step 2: Convert to fraction form
    98,590.05/136,119.96 = 58,316.75/x
  3. Step 3: Cross multiply
    98,590.05x = 136,119.96 × 58,316.75
  4. Step 4: Simplify right side
    98,590.05x = 7,938,073,385.75
  5. Step 5: Solve for x
    x = 7,938,073,385.75/98,590.05
  6. Step 6: Final answer
    x = 80,515.97

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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.