Home / 98,910.65-136,496.77-58,066.76

Finding the Fourth Proportional to 98,910.65, 136,496.77 and 58,066.76

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Solution

The fourth proportional to 98,910.65, 136,496.77 and 58,066.76 is: 80,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,910.65 : 136,496.77 = 58,066.76 : x
  2. Step 2: Convert to fraction form
    98,910.65/136,496.77 = 58,066.76/x
  3. Step 3: Cross multiply
    98,910.65x = 136,496.77 × 58,066.76
  4. Step 4: Simplify right side
    98,910.65x = 7,925,925,380.44
  5. Step 5: Solve for x
    x = 7,925,925,380.44/98,910.65
  6. Step 6: Final answer
    x = 80,132.17

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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.