Home / 56,631.39-84,935.74-53,821.23

Finding the Fourth Proportional to 56,631.39, 84,935.74 and 53,821.23

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Solution

The fourth proportional to 56,631.39, 84,935.74 and 53,821.23 is: 80,721.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,631.39 : 84,935.74 = 53,821.23 : x
  2. Step 2: Convert to fraction form
    56,631.39/84,935.74 = 53,821.23/x
  3. Step 3: Cross multiply
    56,631.39x = 84,935.74 × 53,821.23
  4. Step 4: Simplify right side
    56,631.39x = 4,571,345,997.76
  5. Step 5: Solve for x
    x = 4,571,345,997.76/56,631.39
  6. Step 6: Final answer
    x = 80,721.06

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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.