Home / 88,242.21-121,777.19-51,937.10

Finding the Fourth Proportional to 88,242.21, 121,777.19 and 51,937.10

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Solution

The fourth proportional to 88,242.21, 121,777.19 and 51,937.10 is: 71,674.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,242.21 : 121,777.19 = 51,937.10 : x
  2. Step 2: Convert to fraction form
    88,242.21/121,777.19 = 51,937.10/x
  3. Step 3: Cross multiply
    88,242.21x = 121,777.19 × 51,937.10
  4. Step 4: Simplify right side
    88,242.21x = 6,324,753,877.61
  5. Step 5: Solve for x
    x = 6,324,753,877.61/88,242.21
  6. Step 6: Final answer
    x = 71,674.93

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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.