Home / 86,655.20-119,548.56-52,658.12

Finding the Fourth Proportional to 86,655.20, 119,548.56 and 52,658.12

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Solution

The fourth proportional to 86,655.20, 119,548.56 and 52,658.12 is: 72,646.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,655.20 : 119,548.56 = 52,658.12 : x
  2. Step 2: Convert to fraction form
    86,655.20/119,548.56 = 52,658.12/x
  3. Step 3: Cross multiply
    86,655.20x = 119,548.56 × 52,658.12
  4. Step 4: Simplify right side
    86,655.20x = 6,295,202,418.31
  5. Step 5: Solve for x
    x = 6,295,202,418.31/86,655.20
  6. Step 6: Final answer
    x = 72,646.56

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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.