Home / 71,987.28-99,355.32-46,525.20

Finding the Fourth Proportional to 71,987.28, 99,355.32 and 46,525.20

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Solution

The fourth proportional to 71,987.28, 99,355.32 and 46,525.20 is: 64,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,987.28 : 99,355.32 = 46,525.20 : x
  2. Step 2: Convert to fraction form
    71,987.28/99,355.32 = 46,525.20/x
  3. Step 3: Cross multiply
    71,987.28x = 99,355.32 × 46,525.20
  4. Step 4: Simplify right side
    71,987.28x = 4,622,526,134.06
  5. Step 5: Solve for x
    x = 4,622,526,134.06/71,987.28
  6. Step 6: Final answer
    x = 64,213.10

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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.