Home / 88,052.20-121,509.27-49,290.01

Finding the Fourth Proportional to 88,052.20, 121,509.27 and 49,290.01

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Solution

The fourth proportional to 88,052.20, 121,509.27 and 49,290.01 is: 68,018.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,052.20 : 121,509.27 = 49,290.01 : x
  2. Step 2: Convert to fraction form
    88,052.20/121,509.27 = 49,290.01/x
  3. Step 3: Cross multiply
    88,052.20x = 121,509.27 × 49,290.01
  4. Step 4: Simplify right side
    88,052.20x = 5,989,193,133.39
  5. Step 5: Solve for x
    x = 5,989,193,133.39/88,052.20
  6. Step 6: Final answer
    x = 68,018.67

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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.