Home / 120,942.98-181,416.08-42,058.70

Finding the Fourth Proportional to 120,942.98, 181,416.08 and 42,058.70

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Solution

The fourth proportional to 120,942.98, 181,416.08 and 42,058.70 is: 63,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,942.98 : 181,416.08 = 42,058.70 : x
  2. Step 2: Convert to fraction form
    120,942.98/181,416.08 = 42,058.70/x
  3. Step 3: Cross multiply
    120,942.98x = 181,416.08 × 42,058.70
  4. Step 4: Simplify right side
    120,942.98x = 7,630,123,366.52
  5. Step 5: Solve for x
    x = 7,630,123,366.52/120,942.98
  6. Step 6: Final answer
    x = 63,088.60

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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.