Home / 90,054.35-135,085.17-33,888.55

Finding the Fourth Proportional to 90,054.35, 135,085.17 and 33,888.55

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Solution

The fourth proportional to 90,054.35, 135,085.17 and 33,888.55 is: 50,834.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,054.35 : 135,085.17 = 33,888.55 : x
  2. Step 2: Convert to fraction form
    90,054.35/135,085.17 = 33,888.55/x
  3. Step 3: Cross multiply
    90,054.35x = 135,085.17 × 33,888.55
  4. Step 4: Simplify right side
    90,054.35x = 4,577,840,327.17
  5. Step 5: Solve for x
    x = 4,577,840,327.17/90,054.35
  6. Step 6: Final answer
    x = 50,834.19

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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.