Home / 88,106.64-121,552.56-50,360.64

Finding the Fourth Proportional to 88,106.64, 121,552.56 and 50,360.64

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Solution

The fourth proportional to 88,106.64, 121,552.56 and 50,360.64 is: 69,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,106.64 : 121,552.56 = 50,360.64 : x
  2. Step 2: Convert to fraction form
    88,106.64/121,552.56 = 50,360.64/x
  3. Step 3: Cross multiply
    88,106.64x = 121,552.56 × 50,360.64
  4. Step 4: Simplify right side
    88,106.64x = 6,121,464,715.24
  5. Step 5: Solve for x
    x = 6,121,464,715.24/88,106.64
  6. Step 6: Final answer
    x = 69,477.90

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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.