Home / 79,945.17-110,338.77-47,681.86

Finding the Fourth Proportional to 79,945.17, 110,338.77 and 47,681.86

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Solution

The fourth proportional to 79,945.17, 110,338.77 and 47,681.86 is: 65,809.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,945.17 : 110,338.77 = 47,681.86 : x
  2. Step 2: Convert to fraction form
    79,945.17/110,338.77 = 47,681.86/x
  3. Step 3: Cross multiply
    79,945.17x = 110,338.77 × 47,681.86
  4. Step 4: Simplify right side
    79,945.17x = 5,261,157,232.02
  5. Step 5: Solve for x
    x = 5,261,157,232.02/79,945.17
  6. Step 6: Final answer
    x = 65,809.57

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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.