Home / 98,984.72-136,566.78-55,960.04

Finding the Fourth Proportional to 98,984.72, 136,566.78 and 55,960.04

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Solution

The fourth proportional to 98,984.72, 136,566.78 and 55,960.04 is: 77,206.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,984.72 : 136,566.78 = 55,960.04 : x
  2. Step 2: Convert to fraction form
    98,984.72/136,566.78 = 55,960.04/x
  3. Step 3: Cross multiply
    98,984.72x = 136,566.78 × 55,960.04
  4. Step 4: Simplify right side
    98,984.72x = 7,642,282,471.47
  5. Step 5: Solve for x
    x = 7,642,282,471.47/98,984.72
  6. Step 6: Final answer
    x = 77,206.69

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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.