Home / 74,088.88-111,136.86-24,168.78

Finding the Fourth Proportional to 74,088.88, 111,136.86 and 24,168.78

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Solution

The fourth proportional to 74,088.88, 111,136.86 and 24,168.78 is: 36,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,088.88 : 111,136.86 = 24,168.78 : x
  2. Step 2: Convert to fraction form
    74,088.88/111,136.86 = 24,168.78/x
  3. Step 3: Cross multiply
    74,088.88x = 111,136.86 × 24,168.78
  4. Step 4: Simplify right side
    74,088.88x = 2,686,042,319.23
  5. Step 5: Solve for x
    x = 2,686,042,319.23/74,088.88
  6. Step 6: Final answer
    x = 36,254.33

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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.