Home / 109,545.46-164,316.47-56,206.66

Finding the Fourth Proportional to 109,545.46, 164,316.47 and 56,206.66

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Solution

The fourth proportional to 109,545.46, 164,316.47 and 56,206.66 is: 84,309.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,545.46 : 164,316.47 = 56,206.66 : x
  2. Step 2: Convert to fraction form
    109,545.46/164,316.47 = 56,206.66/x
  3. Step 3: Cross multiply
    109,545.46x = 164,316.47 × 56,206.66
  4. Step 4: Simplify right side
    109,545.46x = 9,235,679,961.69
  5. Step 5: Solve for x
    x = 9,235,679,961.69/109,545.46
  6. Step 6: Final answer
    x = 84,309.11

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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.