Home / 88,021.64-121,476.32-50,295.08

Finding the Fourth Proportional to 88,021.64, 121,476.32 and 50,295.08

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Solution

The fourth proportional to 88,021.64, 121,476.32 and 50,295.08 is: 69,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,021.64 : 121,476.32 = 50,295.08 : x
  2. Step 2: Convert to fraction form
    88,021.64/121,476.32 = 50,295.08/x
  3. Step 3: Cross multiply
    88,021.64x = 121,476.32 × 50,295.08
  4. Step 4: Simplify right side
    88,021.64x = 6,109,661,232.51
  5. Step 5: Solve for x
    x = 6,109,661,232.51/88,021.64
  6. Step 6: Final answer
    x = 69,410.90

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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.