Home / 90,216.06-135,336.65-37,613.45

Finding the Fourth Proportional to 90,216.06, 135,336.65 and 37,613.45

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Solution

The fourth proportional to 90,216.06, 135,336.65 and 37,613.45 is: 56,425.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,216.06 : 135,336.65 = 37,613.45 : x
  2. Step 2: Convert to fraction form
    90,216.06/135,336.65 = 37,613.45/x
  3. Step 3: Cross multiply
    90,216.06x = 135,336.65 × 37,613.45
  4. Step 4: Simplify right side
    90,216.06x = 5,090,478,317.94
  5. Step 5: Solve for x
    x = 5,090,478,317.94/90,216.06
  6. Step 6: Final answer
    x = 56,425.41

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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.