Home / 88,168.11-121,709.22-59,526.57

Finding the Fourth Proportional to 88,168.11, 121,709.22 and 59,526.57

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Solution

The fourth proportional to 88,168.11, 121,709.22 and 59,526.57 is: 82,171.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,168.11 : 121,709.22 = 59,526.57 : x
  2. Step 2: Convert to fraction form
    88,168.11/121,709.22 = 59,526.57/x
  3. Step 3: Cross multiply
    88,168.11x = 121,709.22 × 59,526.57
  4. Step 4: Simplify right side
    88,168.11x = 7,244,932,475.06
  5. Step 5: Solve for x
    x = 7,244,932,475.06/88,168.11
  6. Step 6: Final answer
    x = 82,171.80

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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.