Home / 85,243.86-117,637.36-47,004.77

Finding the Fourth Proportional to 85,243.86, 117,637.36 and 47,004.77

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Solution

The fourth proportional to 85,243.86, 117,637.36 and 47,004.77 is: 64,867.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,243.86 : 117,637.36 = 47,004.77 : x
  2. Step 2: Convert to fraction form
    85,243.86/117,637.36 = 47,004.77/x
  3. Step 3: Cross multiply
    85,243.86x = 117,637.36 × 47,004.77
  4. Step 4: Simplify right side
    85,243.86x = 5,529,517,491.19
  5. Step 5: Solve for x
    x = 5,529,517,491.19/85,243.86
  6. Step 6: Final answer
    x = 64,867.05

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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.