Home / 90,390.94-124,726.40-50,104.69

Finding the Fourth Proportional to 90,390.94, 124,726.40 and 50,104.69

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Solution

The fourth proportional to 90,390.94, 124,726.40 and 50,104.69 is: 69,137.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,390.94 : 124,726.40 = 50,104.69 : x
  2. Step 2: Convert to fraction form
    90,390.94/124,726.40 = 50,104.69/x
  3. Step 3: Cross multiply
    90,390.94x = 124,726.40 × 50,104.69
  4. Step 4: Simplify right side
    90,390.94x = 6,249,377,232.37
  5. Step 5: Solve for x
    x = 6,249,377,232.37/90,390.94
  6. Step 6: Final answer
    x = 69,137.21

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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.