Home / 60,901.04-91,347.17-18,776.72

Finding the Fourth Proportional to 60,901.04, 91,347.17 and 18,776.72

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Solution

The fourth proportional to 60,901.04, 91,347.17 and 18,776.72 is: 28,163.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,901.04 : 91,347.17 = 18,776.72 : x
  2. Step 2: Convert to fraction form
    60,901.04/91,347.17 = 18,776.72/x
  3. Step 3: Cross multiply
    60,901.04x = 91,347.17 × 18,776.72
  4. Step 4: Simplify right side
    60,901.04x = 1,715,200,379.37
  5. Step 5: Solve for x
    x = 1,715,200,379.37/60,901.04
  6. Step 6: Final answer
    x = 28,163.73

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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.