Home / 88,080.21-121,558.86-50,347.17

Finding the Fourth Proportional to 88,080.21, 121,558.86 and 50,347.17

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Solution

The fourth proportional to 88,080.21, 121,558.86 and 50,347.17 is: 69,483.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,080.21 : 121,558.86 = 50,347.17 : x
  2. Step 2: Convert to fraction form
    88,080.21/121,558.86 = 50,347.17/x
  3. Step 3: Cross multiply
    88,080.21x = 121,558.86 × 50,347.17
  4. Step 4: Simplify right side
    88,080.21x = 6,120,144,589.43
  5. Step 5: Solve for x
    x = 6,120,144,589.43/88,080.21
  6. Step 6: Final answer
    x = 69,483.76

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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.