Home / 52,044.32-78,066.60-12,601.28

Finding the Fourth Proportional to 52,044.32, 78,066.60 and 12,601.28

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Solution

The fourth proportional to 52,044.32, 78,066.60 and 12,601.28 is: 18,901.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,044.32 : 78,066.60 = 12,601.28 : x
  2. Step 2: Convert to fraction form
    52,044.32/78,066.60 = 12,601.28/x
  3. Step 3: Cross multiply
    52,044.32x = 78,066.60 × 12,601.28
  4. Step 4: Simplify right side
    52,044.32x = 983,739,085.25
  5. Step 5: Solve for x
    x = 983,739,085.25/52,044.32
  6. Step 6: Final answer
    x = 18,901.95

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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.