Home / 88,037.12-121,512.32-50,333.28

Finding the Fourth Proportional to 88,037.12, 121,512.32 and 50,333.28

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Solution

The fourth proportional to 88,037.12, 121,512.32 and 50,333.28 is: 69,471.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,037.12 : 121,512.32 = 50,333.28 : x
  2. Step 2: Convert to fraction form
    88,037.12/121,512.32 = 50,333.28/x
  3. Step 3: Cross multiply
    88,037.12x = 121,512.32 × 50,333.28
  4. Step 4: Simplify right side
    88,037.12x = 6,116,113,626.01
  5. Step 5: Solve for x
    x = 6,116,113,626.01/88,037.12
  6. Step 6: Final answer
    x = 69,471.99

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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.