Home / 59,159.88-88,741.20-19,720.20

Finding the Fourth Proportional to 59,159.88, 88,741.20 and 19,720.20

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Solution

The fourth proportional to 59,159.88, 88,741.20 and 19,720.20 is: 29,580.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,159.88 : 88,741.20 = 19,720.20 : x
  2. Step 2: Convert to fraction form
    59,159.88/88,741.20 = 19,720.20/x
  3. Step 3: Cross multiply
    59,159.88x = 88,741.20 × 19,720.20
  4. Step 4: Simplify right side
    59,159.88x = 1,749,994,212.24
  5. Step 5: Solve for x
    x = 1,749,994,212.24/59,159.88
  6. Step 6: Final answer
    x = 29,580.76

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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.