Home / 57,805.19-86,709.59-15,685.14

Finding the Fourth Proportional to 57,805.19, 86,709.59 and 15,685.14

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Solution

The fourth proportional to 57,805.19, 86,709.59 and 15,685.14 is: 23,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,805.19 : 86,709.59 = 15,685.14 : x
  2. Step 2: Convert to fraction form
    57,805.19/86,709.59 = 15,685.14/x
  3. Step 3: Cross multiply
    57,805.19x = 86,709.59 × 15,685.14
  4. Step 4: Simplify right side
    57,805.19x = 1,360,052,058.49
  5. Step 5: Solve for x
    x = 1,360,052,058.49/57,805.19
  6. Step 6: Final answer
    x = 23,528.20

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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.