Home / 88,162.16-121,727.15-54,216.27

Finding the Fourth Proportional to 88,162.16, 121,727.15 and 54,216.27

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Solution

The fourth proportional to 88,162.16, 121,727.15 and 54,216.27 is: 74,857.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,162.16 : 121,727.15 = 54,216.27 : x
  2. Step 2: Convert to fraction form
    88,162.16/121,727.15 = 54,216.27/x
  3. Step 3: Cross multiply
    88,162.16x = 121,727.15 × 54,216.27
  4. Step 4: Simplify right side
    88,162.16x = 6,599,592,267.93
  5. Step 5: Solve for x
    x = 6,599,592,267.93/88,162.16
  6. Step 6: Final answer
    x = 74,857.43

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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.