Home / 52,473.08-78,721.94-20,885.06

Finding the Fourth Proportional to 52,473.08, 78,721.94 and 20,885.06

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Solution

The fourth proportional to 52,473.08, 78,721.94 and 20,885.06 is: 31,332.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,473.08 : 78,721.94 = 20,885.06 : x
  2. Step 2: Convert to fraction form
    52,473.08/78,721.94 = 20,885.06/x
  3. Step 3: Cross multiply
    52,473.08x = 78,721.94 × 20,885.06
  4. Step 4: Simplify right side
    52,473.08x = 1,644,112,440.22
  5. Step 5: Solve for x
    x = 1,644,112,440.22/52,473.08
  6. Step 6: Final answer
    x = 31,332.49

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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.