Home / 56,720.52-78,274.49-31,226.04

Finding the Fourth Proportional to 56,720.52, 78,274.49 and 31,226.04

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Solution

The fourth proportional to 56,720.52, 78,274.49 and 31,226.04 is: 43,092.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,720.52 : 78,274.49 = 31,226.04 : x
  2. Step 2: Convert to fraction form
    56,720.52/78,274.49 = 31,226.04/x
  3. Step 3: Cross multiply
    56,720.52x = 78,274.49 × 31,226.04
  4. Step 4: Simplify right side
    56,720.52x = 2,444,202,199.59
  5. Step 5: Solve for x
    x = 2,444,202,199.59/56,720.52
  6. Step 6: Final answer
    x = 43,092.03

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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.