Home / 88,281.46-121,830.77-47,997.94

Finding the Fourth Proportional to 88,281.46, 121,830.77 and 47,997.94

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Solution

The fourth proportional to 88,281.46, 121,830.77 and 47,997.94 is: 66,238.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,281.46 : 121,830.77 = 47,997.94 : x
  2. Step 2: Convert to fraction form
    88,281.46/121,830.77 = 47,997.94/x
  3. Step 3: Cross multiply
    88,281.46x = 121,830.77 × 47,997.94
  4. Step 4: Simplify right side
    88,281.46x = 5,847,625,748.62
  5. Step 5: Solve for x
    x = 5,847,625,748.62/88,281.46
  6. Step 6: Final answer
    x = 66,238.43

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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.