Home / 88,219.96-121,742.07-47,934.34

Finding the Fourth Proportional to 88,219.96, 121,742.07 and 47,934.34

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Solution

The fourth proportional to 88,219.96, 121,742.07 and 47,934.34 is: 66,148.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,219.96 : 121,742.07 = 47,934.34 : x
  2. Step 2: Convert to fraction form
    88,219.96/121,742.07 = 47,934.34/x
  3. Step 3: Cross multiply
    88,219.96x = 121,742.07 × 47,934.34
  4. Step 4: Simplify right side
    88,219.96x = 5,835,625,775.68
  5. Step 5: Solve for x
    x = 5,835,625,775.68/88,219.96
  6. Step 6: Final answer
    x = 66,148.59

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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.