Home / 66,118.14-99,177.18-16,870.14

Finding the Fourth Proportional to 66,118.14, 99,177.18 and 16,870.14

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Solution

The fourth proportional to 66,118.14, 99,177.18 and 16,870.14 is: 25,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,118.14 : 99,177.18 = 16,870.14 : x
  2. Step 2: Convert to fraction form
    66,118.14/99,177.18 = 16,870.14/x
  3. Step 3: Cross multiply
    66,118.14x = 99,177.18 × 16,870.14
  4. Step 4: Simplify right side
    66,118.14x = 1,673,132,911.41
  5. Step 5: Solve for x
    x = 1,673,132,911.41/66,118.14
  6. Step 6: Final answer
    x = 25,305.20

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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.