Home / 90,070.84-135,033.31-37,519.66

Finding the Fourth Proportional to 90,070.84, 135,033.31 and 37,519.66

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Solution

The fourth proportional to 90,070.84, 135,033.31 and 37,519.66 is: 56,249.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,070.84 : 135,033.31 = 37,519.66 : x
  2. Step 2: Convert to fraction form
    90,070.84/135,033.31 = 37,519.66/x
  3. Step 3: Cross multiply
    90,070.84x = 135,033.31 × 37,519.66
  4. Step 4: Simplify right side
    90,070.84x = 5,066,403,879.87
  5. Step 5: Solve for x
    x = 5,066,403,879.87/90,070.84
  6. Step 6: Final answer
    x = 56,249.10

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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.