Home / 88,277.21-121,824.90-47,993.69

Finding the Fourth Proportional to 88,277.21, 121,824.90 and 47,993.69

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Solution

The fourth proportional to 88,277.21, 121,824.90 and 47,993.69 is: 66,232.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,277.21 : 121,824.90 = 47,993.69 : x
  2. Step 2: Convert to fraction form
    88,277.21/121,824.90 = 47,993.69/x
  3. Step 3: Cross multiply
    88,277.21x = 121,824.90 × 47,993.69
  4. Step 4: Simplify right side
    88,277.21x = 5,846,825,875.76
  5. Step 5: Solve for x
    x = 5,846,825,875.76/88,277.21
  6. Step 6: Final answer
    x = 66,232.57

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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.