Home / 98,117.41-147,171.51-57,613.50

Finding the Fourth Proportional to 98,117.41, 147,171.51 and 57,613.50

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Solution

The fourth proportional to 98,117.41, 147,171.51 and 57,613.50 is: 86,417.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,117.41 : 147,171.51 = 57,613.50 : x
  2. Step 2: Convert to fraction form
    98,117.41/147,171.51 = 57,613.50/x
  3. Step 3: Cross multiply
    98,117.41x = 147,171.51 × 57,613.50
  4. Step 4: Simplify right side
    98,117.41x = 8,479,065,791.39
  5. Step 5: Solve for x
    x = 8,479,065,791.39/98,117.41
  6. Step 6: Final answer
    x = 86,417.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.