Home / 86,293.52-129,560.16-56,900.24

Finding the Fourth Proportional to 86,293.52, 129,560.16 and 56,900.24

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Solution

The fourth proportional to 86,293.52, 129,560.16 and 56,900.24 is: 85,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,293.52 : 129,560.16 = 56,900.24 : x
  2. Step 2: Convert to fraction form
    86,293.52/129,560.16 = 56,900.24/x
  3. Step 3: Cross multiply
    86,293.52x = 129,560.16 × 56,900.24
  4. Step 4: Simplify right side
    86,293.52x = 7,372,004,198.44
  5. Step 5: Solve for x
    x = 7,372,004,198.44/86,293.52
  6. Step 6: Final answer
    x = 85,429.41

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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.