Home / 90,059.52-124,282.12-50,315.52

Finding the Fourth Proportional to 90,059.52, 124,282.12 and 50,315.52

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Solution

The fourth proportional to 90,059.52, 124,282.12 and 50,315.52 is: 69,435.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,059.52 : 124,282.12 = 50,315.52 : x
  2. Step 2: Convert to fraction form
    90,059.52/124,282.12 = 50,315.52/x
  3. Step 3: Cross multiply
    90,059.52x = 124,282.12 × 50,315.52
  4. Step 4: Simplify right side
    90,059.52x = 6,253,319,494.50
  5. Step 5: Solve for x
    x = 6,253,319,494.50/90,059.52
  6. Step 6: Final answer
    x = 69,435.41

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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.