Home / 90,411.53-124,767.71-50,124.26

Finding the Fourth Proportional to 90,411.53, 124,767.71 and 50,124.26

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Solution

The fourth proportional to 90,411.53, 124,767.71 and 50,124.26 is: 69,171.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,411.53 : 124,767.71 = 50,124.26 : x
  2. Step 2: Convert to fraction form
    90,411.53/124,767.71 = 50,124.26/x
  3. Step 3: Cross multiply
    90,411.53x = 124,767.71 × 50,124.26
  4. Step 4: Simplify right side
    90,411.53x = 6,253,889,196.94
  5. Step 5: Solve for x
    x = 6,253,889,196.94/90,411.53
  6. Step 6: Final answer
    x = 69,171.37

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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.