Home / 71,952.08-107,983.60-46,985.36

Finding the Fourth Proportional to 71,952.08, 107,983.60 and 46,985.36

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Solution

The fourth proportional to 71,952.08, 107,983.60 and 46,985.36 is: 70,514.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,952.08 : 107,983.60 = 46,985.36 : x
  2. Step 2: Convert to fraction form
    71,952.08/107,983.60 = 46,985.36/x
  3. Step 3: Cross multiply
    71,952.08x = 107,983.60 × 46,985.36
  4. Step 4: Simplify right side
    71,952.08x = 5,073,648,320.10
  5. Step 5: Solve for x
    x = 5,073,648,320.10/71,952.08
  6. Step 6: Final answer
    x = 70,514.27

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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.