Home / 88,112.61-121,592.13-47,825.51

Finding the Fourth Proportional to 88,112.61, 121,592.13 and 47,825.51

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Solution

The fourth proportional to 88,112.61, 121,592.13 and 47,825.51 is: 65,997.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,112.61 : 121,592.13 = 47,825.51 : x
  2. Step 2: Convert to fraction form
    88,112.61/121,592.13 = 47,825.51/x
  3. Step 3: Cross multiply
    88,112.61x = 121,592.13 × 47,825.51
  4. Step 4: Simplify right side
    88,112.61x = 5,815,205,021.28
  5. Step 5: Solve for x
    x = 5,815,205,021.28/88,112.61
  6. Step 6: Final answer
    x = 65,997.42

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1.5x scale

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.