Home / 88,197.48-121,711.23-47,911.77

Finding the Fourth Proportional to 88,197.48, 121,711.23 and 47,911.77

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Solution

The fourth proportional to 88,197.48, 121,711.23 and 47,911.77 is: 66,117.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,197.48 : 121,711.23 = 47,911.77 : x
  2. Step 2: Convert to fraction form
    88,197.48/121,711.23 = 47,911.77/x
  3. Step 3: Cross multiply
    88,197.48x = 121,711.23 × 47,911.77
  4. Step 4: Simplify right side
    88,197.48x = 5,831,400,458.18
  5. Step 5: Solve for x
    x = 5,831,400,458.18/88,197.48
  6. Step 6: Final answer
    x = 66,117.54

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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.