Home / 83,837.56-115,637.25-56,933.36

Finding the Fourth Proportional to 83,837.56, 115,637.25 and 56,933.36

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Solution

The fourth proportional to 83,837.56, 115,637.25 and 56,933.36 is: 78,528.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,837.56 : 115,637.25 = 56,933.36 : x
  2. Step 2: Convert to fraction form
    83,837.56/115,637.25 = 56,933.36/x
  3. Step 3: Cross multiply
    83,837.56x = 115,637.25 × 56,933.36
  4. Step 4: Simplify right side
    83,837.56x = 6,583,617,183.66
  5. Step 5: Solve for x
    x = 6,583,617,183.66/83,837.56
  6. Step 6: Final answer
    x = 78,528.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.