Home / 55,461.36-83,199.06-21,723.12

Finding the Fourth Proportional to 55,461.36, 83,199.06 and 21,723.12

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Solution

The fourth proportional to 55,461.36, 83,199.06 and 21,723.12 is: 32,587.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,461.36 : 83,199.06 = 21,723.12 : x
  2. Step 2: Convert to fraction form
    55,461.36/83,199.06 = 21,723.12/x
  3. Step 3: Cross multiply
    55,461.36x = 83,199.06 × 21,723.12
  4. Step 4: Simplify right side
    55,461.36x = 1,807,343,164.27
  5. Step 5: Solve for x
    x = 1,807,343,164.27/55,461.36
  6. Step 6: Final answer
    x = 32,587.43

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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.