Home / 109,545.72-164,318.58-43,017.18

Finding the Fourth Proportional to 109,545.72, 164,318.58 and 43,017.18

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Solution

The fourth proportional to 109,545.72, 164,318.58 and 43,017.18 is: 64,525.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,545.72 : 164,318.58 = 43,017.18 : x
  2. Step 2: Convert to fraction form
    109,545.72/164,318.58 = 43,017.18/x
  3. Step 3: Cross multiply
    109,545.72x = 164,318.58 × 43,017.18
  4. Step 4: Simplify right side
    109,545.72x = 7,068,521,933.20
  5. Step 5: Solve for x
    x = 7,068,521,933.20/109,545.72
  6. Step 6: Final answer
    x = 64,525.77

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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.