Home / 90,829.58-125,330.38-50,543.22

Finding the Fourth Proportional to 90,829.58, 125,330.38 and 50,543.22

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Solution

The fourth proportional to 90,829.58, 125,330.38 and 50,543.22 is: 69,741.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,829.58 : 125,330.38 = 50,543.22 : x
  2. Step 2: Convert to fraction form
    90,829.58/125,330.38 = 50,543.22/x
  3. Step 3: Cross multiply
    90,829.58x = 125,330.38 × 50,543.22
  4. Step 4: Simplify right side
    90,829.58x = 6,334,600,969.02
  5. Step 5: Solve for x
    x = 6,334,600,969.02/90,829.58
  6. Step 6: Final answer
    x = 69,741.61

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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.