Home / 109,067.16-163,688.23-56,491.68

Finding the Fourth Proportional to 109,067.16, 163,688.23 and 56,491.68

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Solution

The fourth proportional to 109,067.16, 163,688.23 and 56,491.68 is: 84,782.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,067.16 : 163,688.23 = 56,491.68 : x
  2. Step 2: Convert to fraction form
    109,067.16/163,688.23 = 56,491.68/x
  3. Step 3: Cross multiply
    109,067.16x = 163,688.23 × 56,491.68
  4. Step 4: Simplify right side
    109,067.16x = 9,247,023,108.93
  5. Step 5: Solve for x
    x = 9,247,023,108.93/109,067.16
  6. Step 6: Final answer
    x = 84,782.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.