Home / 80,042.03-120,058.71-40,598.12

Finding the Fourth Proportional to 80,042.03, 120,058.71 and 40,598.12

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Solution

The fourth proportional to 80,042.03, 120,058.71 and 40,598.12 is: 60,894.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,042.03 : 120,058.71 = 40,598.12 : x
  2. Step 2: Convert to fraction form
    80,042.03/120,058.71 = 40,598.12/x
  3. Step 3: Cross multiply
    80,042.03x = 120,058.71 × 40,598.12
  4. Step 4: Simplify right side
    80,042.03x = 4,874,157,915.63
  5. Step 5: Solve for x
    x = 4,874,157,915.63/80,042.03
  6. Step 6: Final answer
    x = 60,894.98

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1.5x scale

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.