Home / 88,187.02-121,699.56-47,900.86

Finding the Fourth Proportional to 88,187.02, 121,699.56 and 47,900.86

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Solution

The fourth proportional to 88,187.02, 121,699.56 and 47,900.86 is: 66,103.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,187.02 : 121,699.56 = 47,900.86 : x
  2. Step 2: Convert to fraction form
    88,187.02/121,699.56 = 47,900.86/x
  3. Step 3: Cross multiply
    88,187.02x = 121,699.56 × 47,900.86
  4. Step 4: Simplify right side
    88,187.02x = 5,829,513,585.62
  5. Step 5: Solve for x
    x = 5,829,513,585.62/88,187.02
  6. Step 6: Final answer
    x = 66,103.99

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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.