Home / 74,031.50-102,166.08-42,195.26

Finding the Fourth Proportional to 74,031.50, 102,166.08 and 42,195.26

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Solution

The fourth proportional to 74,031.50, 102,166.08 and 42,195.26 is: 58,230.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,031.50 : 102,166.08 = 42,195.26 : x
  2. Step 2: Convert to fraction form
    74,031.50/102,166.08 = 42,195.26/x
  3. Step 3: Cross multiply
    74,031.50x = 102,166.08 × 42,195.26
  4. Step 4: Simplify right side
    74,031.50x = 4,310,924,308.78
  5. Step 5: Solve for x
    x = 4,310,924,308.78/74,031.50
  6. Step 6: Final answer
    x = 58,230.95

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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.