Home / 88,107.56-121,588.50-47,821.32

Finding the Fourth Proportional to 88,107.56, 121,588.50 and 47,821.32

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Solution

The fourth proportional to 88,107.56, 121,588.50 and 47,821.32 is: 65,993.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,107.56 : 121,588.50 = 47,821.32 : x
  2. Step 2: Convert to fraction form
    88,107.56/121,588.50 = 47,821.32/x
  3. Step 3: Cross multiply
    88,107.56x = 121,588.50 × 47,821.32
  4. Step 4: Simplify right side
    88,107.56x = 5,814,522,566.82
  5. Step 5: Solve for x
    x = 5,814,522,566.82/88,107.56
  6. Step 6: Final answer
    x = 65,993.46

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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.