Home / 94,668.23-142,031.81-28,108.70

Finding the Fourth Proportional to 94,668.23, 142,031.81 and 28,108.70

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Solution

The fourth proportional to 94,668.23, 142,031.81 and 28,108.70 is: 42,171.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,668.23 : 142,031.81 = 28,108.70 : x
  2. Step 2: Convert to fraction form
    94,668.23/142,031.81 = 28,108.70/x
  3. Step 3: Cross multiply
    94,668.23x = 142,031.81 × 28,108.70
  4. Step 4: Simplify right side
    94,668.23x = 3,992,329,752.28
  5. Step 5: Solve for x
    x = 3,992,329,752.28/94,668.23
  6. Step 6: Final answer
    x = 42,171.80

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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.