Home / 65,089.77-97,635.47-20,716.35

Finding the Fourth Proportional to 65,089.77, 97,635.47 and 20,716.35

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Solution

The fourth proportional to 65,089.77, 97,635.47 and 20,716.35 is: 31,074.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,089.77 : 97,635.47 = 20,716.35 : x
  2. Step 2: Convert to fraction form
    65,089.77/97,635.47 = 20,716.35/x
  3. Step 3: Cross multiply
    65,089.77x = 97,635.47 × 20,716.35
  4. Step 4: Simplify right side
    65,089.77x = 2,022,650,465.35
  5. Step 5: Solve for x
    x = 2,022,650,465.35/65,089.77
  6. Step 6: Final answer
    x = 31,074.78

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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.