Home / 88,113.90-121,593.93-47,826.81

Finding the Fourth Proportional to 88,113.90, 121,593.93 and 47,826.81

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Solution

The fourth proportional to 88,113.90, 121,593.93 and 47,826.81 is: 65,999.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,113.90 : 121,593.93 = 47,826.81 : x
  2. Step 2: Convert to fraction form
    88,113.90/121,593.93 = 47,826.81/x
  3. Step 3: Cross multiply
    88,113.90x = 121,593.93 × 47,826.81
  4. Step 4: Simplify right side
    88,113.90x = 5,815,449,787.26
  5. Step 5: Solve for x
    x = 5,815,449,787.26/88,113.90
  6. Step 6: Final answer
    x = 65,999.23

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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.