Home / 88,243.77-121,777.11-47,957.52

Finding the Fourth Proportional to 88,243.77, 121,777.11 and 47,957.52

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Solution

The fourth proportional to 88,243.77, 121,777.11 and 47,957.52 is: 66,181.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,243.77 : 121,777.11 = 47,957.52 : x
  2. Step 2: Convert to fraction form
    88,243.77/121,777.11 = 47,957.52/x
  3. Step 3: Cross multiply
    88,243.77x = 121,777.11 × 47,957.52
  4. Step 4: Simplify right side
    88,243.77x = 5,840,128,188.37
  5. Step 5: Solve for x
    x = 5,840,128,188.37/88,243.77
  6. Step 6: Final answer
    x = 66,181.76

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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.