Home / 90,684.84-125,145.33-50,398.47

Finding the Fourth Proportional to 90,684.84, 125,145.33 and 50,398.47

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Solution

The fourth proportional to 90,684.84, 125,145.33 and 50,398.47 is: 69,550.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,684.84 : 125,145.33 = 50,398.47 : x
  2. Step 2: Convert to fraction form
    90,684.84/125,145.33 = 50,398.47/x
  3. Step 3: Cross multiply
    90,684.84x = 125,145.33 × 50,398.47
  4. Step 4: Simplify right side
    90,684.84x = 6,307,133,159.65
  5. Step 5: Solve for x
    x = 6,307,133,159.65/90,684.84
  6. Step 6: Final answer
    x = 69,550.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.