Home / 66,114.19-99,171.29-19,367.07

Finding the Fourth Proportional to 66,114.19, 99,171.29 and 19,367.07

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Solution

The fourth proportional to 66,114.19, 99,171.29 and 19,367.07 is: 29,050.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,114.19 : 99,171.29 = 19,367.07 : x
  2. Step 2: Convert to fraction form
    66,114.19/99,171.29 = 19,367.07/x
  3. Step 3: Cross multiply
    66,114.19x = 99,171.29 × 19,367.07
  4. Step 4: Simplify right side
    66,114.19x = 1,920,657,315.42
  5. Step 5: Solve for x
    x = 1,920,657,315.42/66,114.19
  6. Step 6: Final answer
    x = 29,050.61

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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.