Home / 67,288.16-92,811.48-38,994.32

Finding the Fourth Proportional to 67,288.16, 92,811.48 and 38,994.32

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Solution

The fourth proportional to 67,288.16, 92,811.48 and 38,994.32 is: 53,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,288.16 : 92,811.48 = 38,994.32 : x
  2. Step 2: Convert to fraction form
    67,288.16/92,811.48 = 38,994.32/x
  3. Step 3: Cross multiply
    67,288.16x = 92,811.48 × 38,994.32
  4. Step 4: Simplify right side
    67,288.16x = 3,619,120,550.79
  5. Step 5: Solve for x
    x = 3,619,120,550.79/67,288.16
  6. Step 6: Final answer
    x = 53,785.40

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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.