Home / 109,410.48-164,117.04-30,519.92

Finding the Fourth Proportional to 109,410.48, 164,117.04 and 30,519.92

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Solution

The fourth proportional to 109,410.48, 164,117.04 and 30,519.92 is: 45,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,410.48 : 164,117.04 = 30,519.92 : x
  2. Step 2: Convert to fraction form
    109,410.48/164,117.04 = 30,519.92/x
  3. Step 3: Cross multiply
    109,410.48x = 164,117.04 × 30,519.92
  4. Step 4: Simplify right side
    109,410.48x = 5,008,838,931.44
  5. Step 5: Solve for x
    x = 5,008,838,931.44/109,410.48
  6. Step 6: Final answer
    x = 45,780.25

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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.