Home / 88,212.46-121,731.72-47,926.84

Finding the Fourth Proportional to 88,212.46, 121,731.72 and 47,926.84

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Solution

The fourth proportional to 88,212.46, 121,731.72 and 47,926.84 is: 66,138.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,212.46 : 121,731.72 = 47,926.84 : x
  2. Step 2: Convert to fraction form
    88,212.46/121,731.72 = 47,926.84/x
  3. Step 3: Cross multiply
    88,212.46x = 121,731.72 × 47,926.84
  4. Step 4: Simplify right side
    88,212.46x = 5,834,216,667.36
  5. Step 5: Solve for x
    x = 5,834,216,667.36/88,212.46
  6. Step 6: Final answer
    x = 66,138.24

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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.