Home / 88,330.82-121,899.30-50,090.46

Finding the Fourth Proportional to 88,330.82, 121,899.30 and 50,090.46

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Solution

The fourth proportional to 88,330.82, 121,899.30 and 50,090.46 is: 69,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,330.82 : 121,899.30 = 50,090.46 : x
  2. Step 2: Convert to fraction form
    88,330.82/121,899.30 = 50,090.46/x
  3. Step 3: Cross multiply
    88,330.82x = 121,899.30 × 50,090.46
  4. Step 4: Simplify right side
    88,330.82x = 6,105,992,010.68
  5. Step 5: Solve for x
    x = 6,105,992,010.68/88,330.82
  6. Step 6: Final answer
    x = 69,126.40

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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.