Home / 88,104.51-121,584.35-47,818.28

Finding the Fourth Proportional to 88,104.51, 121,584.35 and 47,818.28

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Solution

The fourth proportional to 88,104.51, 121,584.35 and 47,818.28 is: 65,989.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,104.51 : 121,584.35 = 47,818.28 : x
  2. Step 2: Convert to fraction form
    88,104.51/121,584.35 = 47,818.28/x
  3. Step 3: Cross multiply
    88,104.51x = 121,584.35 × 47,818.28
  4. Step 4: Simplify right side
    88,104.51x = 5,813,954,491.92
  5. Step 5: Solve for x
    x = 5,813,954,491.92/88,104.51
  6. Step 6: Final answer
    x = 65,989.29

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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.