Home / 88,199.14-121,710.20-47,912.77

Finding the Fourth Proportional to 88,199.14, 121,710.20 and 47,912.77

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Solution

The fourth proportional to 88,199.14, 121,710.20 and 47,912.77 is: 66,117.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,199.14 : 121,710.20 = 47,912.77 : x
  2. Step 2: Convert to fraction form
    88,199.14/121,710.20 = 47,912.77/x
  3. Step 3: Cross multiply
    88,199.14x = 121,710.20 × 47,912.77
  4. Step 4: Simplify right side
    88,199.14x = 5,831,472,819.25
  5. Step 5: Solve for x
    x = 5,831,472,819.25/88,199.14
  6. Step 6: Final answer
    x = 66,117.12

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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.