Home / 88,199.49-121,713.26-47,912.35

Finding the Fourth Proportional to 88,199.49, 121,713.26 and 47,912.35

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Solution

The fourth proportional to 88,199.49, 121,713.26 and 47,912.35 is: 66,117.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,199.49 : 121,713.26 = 47,912.35 : x
  2. Step 2: Convert to fraction form
    88,199.49/121,713.26 = 47,912.35/x
  3. Step 3: Cross multiply
    88,199.49x = 121,713.26 × 47,912.35
  4. Step 4: Simplify right side
    88,199.49x = 5,831,568,225.34
  5. Step 5: Solve for x
    x = 5,831,568,225.34/88,199.49
  6. Step 6: Final answer
    x = 66,117.94

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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.