Home / 90,985.14-125,558.21-50,700.60

Finding the Fourth Proportional to 90,985.14, 125,558.21 and 50,700.60

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Solution

The fourth proportional to 90,985.14, 125,558.21 and 50,700.60 is: 69,966.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,985.14 : 125,558.21 = 50,700.60 : x
  2. Step 2: Convert to fraction form
    90,985.14/125,558.21 = 50,700.60/x
  3. Step 3: Cross multiply
    90,985.14x = 125,558.21 × 50,700.60
  4. Step 4: Simplify right side
    90,985.14x = 6,365,876,581.93
  5. Step 5: Solve for x
    x = 6,365,876,581.93/90,985.14
  6. Step 6: Final answer
    x = 69,966.11

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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.