Home / 98,510.23-135,926.05-55,480.50

Finding the Fourth Proportional to 98,510.23, 135,926.05 and 55,480.50

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Solution

The fourth proportional to 98,510.23, 135,926.05 and 55,480.50 is: 76,552.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,510.23 : 135,926.05 = 55,480.50 : x
  2. Step 2: Convert to fraction form
    98,510.23/135,926.05 = 55,480.50/x
  3. Step 3: Cross multiply
    98,510.23x = 135,926.05 × 55,480.50
  4. Step 4: Simplify right side
    98,510.23x = 7,541,245,668.51
  5. Step 5: Solve for x
    x = 7,541,245,668.51/98,510.23
  6. Step 6: Final answer
    x = 76,552.92

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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.