Home / 52,302.08-72,178.62-31,102.76

Finding the Fourth Proportional to 52,302.08, 72,178.62 and 31,102.76

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Solution

The fourth proportional to 52,302.08, 72,178.62 and 31,102.76 is: 42,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,302.08 : 72,178.62 = 31,102.76 : x
  2. Step 2: Convert to fraction form
    52,302.08/72,178.62 = 31,102.76/x
  3. Step 3: Cross multiply
    52,302.08x = 72,178.62 × 31,102.76
  4. Step 4: Simplify right side
    52,302.08x = 2,244,954,294.99
  5. Step 5: Solve for x
    x = 2,244,954,294.99/52,302.08
  6. Step 6: Final answer
    x = 42,922.85

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Double scale
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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.