Home / 88,167.02-121,667.13-47,879.91

Finding the Fourth Proportional to 88,167.02, 121,667.13 and 47,879.91

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Solution

The fourth proportional to 88,167.02, 121,667.13 and 47,879.91 is: 66,072.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,167.02 : 121,667.13 = 47,879.91 : x
  2. Step 2: Convert to fraction form
    88,167.02/121,667.13 = 47,879.91/x
  3. Step 3: Cross multiply
    88,167.02x = 121,667.13 × 47,879.91
  4. Step 4: Simplify right side
    88,167.02x = 5,825,411,234.36
  5. Step 5: Solve for x
    x = 5,825,411,234.36/88,167.02
  6. Step 6: Final answer
    x = 66,072.46

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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.