Home / 85,076.61-117,403.73-47,350.05

Finding the Fourth Proportional to 85,076.61, 117,403.73 and 47,350.05

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Solution

The fourth proportional to 85,076.61, 117,403.73 and 47,350.05 is: 65,341.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,076.61 : 117,403.73 = 47,350.05 : x
  2. Step 2: Convert to fraction form
    85,076.61/117,403.73 = 47,350.05/x
  3. Step 3: Cross multiply
    85,076.61x = 117,403.73 × 47,350.05
  4. Step 4: Simplify right side
    85,076.61x = 5,559,072,248.94
  5. Step 5: Solve for x
    x = 5,559,072,248.94/85,076.61
  6. Step 6: Final answer
    x = 65,341.96

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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.