Home / 56,490.84-84,736.36-23,187.68

Finding the Fourth Proportional to 56,490.84, 84,736.36 and 23,187.68

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Solution

The fourth proportional to 56,490.84, 84,736.36 and 23,187.68 is: 34,781.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,490.84 : 84,736.36 = 23,187.68 : x
  2. Step 2: Convert to fraction form
    56,490.84/84,736.36 = 23,187.68/x
  3. Step 3: Cross multiply
    56,490.84x = 84,736.36 × 23,187.68
  4. Step 4: Simplify right side
    56,490.84x = 1,964,839,600.04
  5. Step 5: Solve for x
    x = 1,964,839,600.04/56,490.84
  6. Step 6: Final answer
    x = 34,781.56

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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.