Home / 88,176.52-121,684.48-47,891.07

Finding the Fourth Proportional to 88,176.52, 121,684.48 and 47,891.07

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Solution

The fourth proportional to 88,176.52, 121,684.48 and 47,891.07 is: 66,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,176.52 : 121,684.48 = 47,891.07 : x
  2. Step 2: Convert to fraction form
    88,176.52/121,684.48 = 47,891.07/x
  3. Step 3: Cross multiply
    88,176.52x = 121,684.48 × 47,891.07
  4. Step 4: Simplify right side
    88,176.52x = 5,827,599,829.87
  5. Step 5: Solve for x
    x = 5,827,599,829.87/88,176.52
  6. Step 6: Final answer
    x = 66,090.15

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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.