Home / 88,147.44-121,598.42-56,282.85

Finding the Fourth Proportional to 88,147.44, 121,598.42 and 56,282.85

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Solution

The fourth proportional to 88,147.44, 121,598.42 and 56,282.85 is: 77,641.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,147.44 : 121,598.42 = 56,282.85 : x
  2. Step 2: Convert to fraction form
    88,147.44/121,598.42 = 56,282.85/x
  3. Step 3: Cross multiply
    88,147.44x = 121,598.42 × 56,282.85
  4. Step 4: Simplify right side
    88,147.44x = 6,843,905,351.68
  5. Step 5: Solve for x
    x = 6,843,905,351.68/88,147.44
  6. Step 6: Final answer
    x = 77,641.57

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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.