Home / 85,035.69-117,333.36-47,309.94

Finding the Fourth Proportional to 85,035.69, 117,333.36 and 47,309.94

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Solution

The fourth proportional to 85,035.69, 117,333.36 and 47,309.94 is: 65,278.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,035.69 : 117,333.36 = 47,309.94 : x
  2. Step 2: Convert to fraction form
    85,035.69/117,333.36 = 47,309.94/x
  3. Step 3: Cross multiply
    85,035.69x = 117,333.36 × 47,309.94
  4. Step 4: Simplify right side
    85,035.69x = 5,551,034,221.60
  5. Step 5: Solve for x
    x = 5,551,034,221.60/85,035.69
  6. Step 6: Final answer
    x = 65,278.88

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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.