Home / 90,739.59-136,137.07-46,397.49

Finding the Fourth Proportional to 90,739.59, 136,137.07 and 46,397.49

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Solution

The fourth proportional to 90,739.59, 136,137.07 and 46,397.49 is: 69,610.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,739.59 : 136,137.07 = 46,397.49 : x
  2. Step 2: Convert to fraction form
    90,739.59/136,137.07 = 46,397.49/x
  3. Step 3: Cross multiply
    90,739.59x = 136,137.07 × 46,397.49
  4. Step 4: Simplify right side
    90,739.59x = 6,316,417,891.44
  5. Step 5: Solve for x
    x = 6,316,417,891.44/90,739.59
  6. Step 6: Final answer
    x = 69,610.39

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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.