Home / 56,422.36-78,219.31-53,426.26

Finding the Fourth Proportional to 56,422.36, 78,219.31 and 53,426.26

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Solution

The fourth proportional to 56,422.36, 78,219.31 and 53,426.26 is: 74,065.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,422.36 : 78,219.31 = 53,426.26 : x
  2. Step 2: Convert to fraction form
    56,422.36/78,219.31 = 53,426.26/x
  3. Step 3: Cross multiply
    56,422.36x = 78,219.31 × 53,426.26
  4. Step 4: Simplify right side
    56,422.36x = 4,178,965,193.08
  5. Step 5: Solve for x
    x = 4,178,965,193.08/56,422.36
  6. Step 6: Final answer
    x = 74,065.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.