Home / 88,200.48-121,715.37-47,914.77

Finding the Fourth Proportional to 88,200.48, 121,715.37 and 47,914.77

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Solution

The fourth proportional to 88,200.48, 121,715.37 and 47,914.77 is: 66,121.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,200.48 : 121,715.37 = 47,914.77 : x
  2. Step 2: Convert to fraction form
    88,200.48/121,715.37 = 47,914.77/x
  3. Step 3: Cross multiply
    88,200.48x = 121,715.37 × 47,914.77
  4. Step 4: Simplify right side
    88,200.48x = 5,831,963,959.01
  5. Step 5: Solve for x
    x = 5,831,963,959.01/88,200.48
  6. Step 6: Final answer
    x = 66,121.68

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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.