Home / 66,148.40-99,222.12-26,704.91

Finding the Fourth Proportional to 66,148.40, 99,222.12 and 26,704.91

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Solution

The fourth proportional to 66,148.40, 99,222.12 and 26,704.91 is: 40,057.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,148.40 : 99,222.12 = 26,704.91 : x
  2. Step 2: Convert to fraction form
    66,148.40/99,222.12 = 26,704.91/x
  3. Step 3: Cross multiply
    66,148.40x = 99,222.12 × 26,704.91
  4. Step 4: Simplify right side
    66,148.40x = 2,649,717,288.50
  5. Step 5: Solve for x
    x = 2,649,717,288.50/66,148.40
  6. Step 6: Final answer
    x = 40,057.17

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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.