Home / 55,712.01-83,557.59-15,721.14

Finding the Fourth Proportional to 55,712.01, 83,557.59 and 15,721.14

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Solution

The fourth proportional to 55,712.01, 83,557.59 and 15,721.14 is: 23,578.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,712.01 : 83,557.59 = 15,721.14 : x
  2. Step 2: Convert to fraction form
    55,712.01/83,557.59 = 15,721.14/x
  3. Step 3: Cross multiply
    55,712.01x = 83,557.59 × 15,721.14
  4. Step 4: Simplify right side
    55,712.01x = 1,313,620,570.45
  5. Step 5: Solve for x
    x = 1,313,620,570.45/55,712.01
  6. Step 6: Final answer
    x = 23,578.77

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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.