Home / 90,732.88-136,115.64-37,395.16

Finding the Fourth Proportional to 90,732.88, 136,115.64 and 37,395.16

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Solution

The fourth proportional to 90,732.88, 136,115.64 and 37,395.16 is: 56,099.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,732.88 : 136,115.64 = 37,395.16 : x
  2. Step 2: Convert to fraction form
    90,732.88/136,115.64 = 37,395.16/x
  3. Step 3: Cross multiply
    90,732.88x = 136,115.64 × 37,395.16
  4. Step 4: Simplify right side
    90,732.88x = 5,090,066,136.30
  5. Step 5: Solve for x
    x = 5,090,066,136.30/90,732.88
  6. Step 6: Final answer
    x = 56,099.47

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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.