Home / 108,668.39-162,988.74-42,062.95

Finding the Fourth Proportional to 108,668.39, 162,988.74 and 42,062.95

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Solution

The fourth proportional to 108,668.39, 162,988.74 and 42,062.95 is: 63,089.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,668.39 : 162,988.74 = 42,062.95 : x
  2. Step 2: Convert to fraction form
    108,668.39/162,988.74 = 42,062.95/x
  3. Step 3: Cross multiply
    108,668.39x = 162,988.74 × 42,062.95
  4. Step 4: Simplify right side
    108,668.39x = 6,855,787,221.18
  5. Step 5: Solve for x
    x = 6,855,787,221.18/108,668.39
  6. Step 6: Final answer
    x = 63,089.07

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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.