Home / 90,340.14-124,673.38-50,053.89

Finding the Fourth Proportional to 90,340.14, 124,673.38 and 50,053.89

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Solution

The fourth proportional to 90,340.14, 124,673.38 and 50,053.89 is: 69,076.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,340.14 : 124,673.38 = 50,053.89 : x
  2. Step 2: Convert to fraction form
    90,340.14/124,673.38 = 50,053.89/x
  3. Step 3: Cross multiply
    90,340.14x = 124,673.38 × 50,053.89
  4. Step 4: Simplify right side
    90,340.14x = 6,240,387,648.45
  5. Step 5: Solve for x
    x = 6,240,387,648.45/90,340.14
  6. Step 6: Final answer
    x = 69,076.58

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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.