Home / 57,947.99-86,908.35-15,818.06

Finding the Fourth Proportional to 57,947.99, 86,908.35 and 15,818.06

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Solution

The fourth proportional to 57,947.99, 86,908.35 and 15,818.06 is: 23,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,947.99 : 86,908.35 = 15,818.06 : x
  2. Step 2: Convert to fraction form
    57,947.99/86,908.35 = 15,818.06/x
  3. Step 3: Cross multiply
    57,947.99x = 86,908.35 × 15,818.06
  4. Step 4: Simplify right side
    57,947.99x = 1,374,721,277.53
  5. Step 5: Solve for x
    x = 1,374,721,277.53/57,947.99
  6. Step 6: Final answer
    x = 23,723.36

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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.