Home / 88,013.64-121,465.26-50,287.08

Finding the Fourth Proportional to 88,013.64, 121,465.26 and 50,287.08

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Solution

The fourth proportional to 88,013.64, 121,465.26 and 50,287.08 is: 69,399.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,013.64 : 121,465.26 = 50,287.08 : x
  2. Step 2: Convert to fraction form
    88,013.64/121,465.26 = 50,287.08/x
  3. Step 3: Cross multiply
    88,013.64x = 121,465.26 × 50,287.08
  4. Step 4: Simplify right side
    88,013.64x = 6,108,133,246.84
  5. Step 5: Solve for x
    x = 6,108,133,246.84/88,013.64
  6. Step 6: Final answer
    x = 69,399.85

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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.