Home / 56,213.28-83,693.40-55,428.36

Finding the Fourth Proportional to 56,213.28, 83,693.40 and 55,428.36

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Solution

The fourth proportional to 56,213.28, 83,693.40 and 55,428.36 is: 82,524.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,213.28 : 83,693.40 = 55,428.36 : x
  2. Step 2: Convert to fraction form
    56,213.28/83,693.40 = 55,428.36/x
  3. Step 3: Cross multiply
    56,213.28x = 83,693.40 × 55,428.36
  4. Step 4: Simplify right side
    56,213.28x = 4,638,987,904.82
  5. Step 5: Solve for x
    x = 4,638,987,904.82/56,213.28
  6. Step 6: Final answer
    x = 82,524.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.