Home / 90,411.48-124,756.26-50,124.84

Finding the Fourth Proportional to 90,411.48, 124,756.26 and 50,124.84

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Solution

The fourth proportional to 90,411.48, 124,756.26 and 50,124.84 is: 69,165.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,411.48 : 124,756.26 = 50,124.84 : x
  2. Step 2: Convert to fraction form
    90,411.48/124,756.26 = 50,124.84/x
  3. Step 3: Cross multiply
    90,411.48x = 124,756.26 × 50,124.84
  4. Step 4: Simplify right side
    90,411.48x = 6,253,387,571.50
  5. Step 5: Solve for x
    x = 6,253,387,571.50/90,411.48
  6. Step 6: Final answer
    x = 69,165.86

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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.