Home / 66,259.41-99,389.66-18,874.46

Finding the Fourth Proportional to 66,259.41, 99,389.66 and 18,874.46

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Solution

The fourth proportional to 66,259.41, 99,389.66 and 18,874.46 is: 28,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,259.41 : 99,389.66 = 18,874.46 : x
  2. Step 2: Convert to fraction form
    66,259.41/99,389.66 = 18,874.46/x
  3. Step 3: Cross multiply
    66,259.41x = 99,389.66 × 18,874.46
  4. Step 4: Simplify right side
    66,259.41x = 1,875,926,162.08
  5. Step 5: Solve for x
    x = 1,875,926,162.08/66,259.41
  6. Step 6: Final answer
    x = 28,311.85

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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.