Home / 88,133.24-121,624.73-47,847.32

Finding the Fourth Proportional to 88,133.24, 121,624.73 and 47,847.32

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Solution

The fourth proportional to 88,133.24, 121,624.73 and 47,847.32 is: 66,029.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,133.24 : 121,624.73 = 47,847.32 : x
  2. Step 2: Convert to fraction form
    88,133.24/121,624.73 = 47,847.32/x
  3. Step 3: Cross multiply
    88,133.24x = 121,624.73 × 47,847.32
  4. Step 4: Simplify right side
    88,133.24x = 5,819,416,528.86
  5. Step 5: Solve for x
    x = 5,819,416,528.86/88,133.24
  6. Step 6: Final answer
    x = 66,029.76

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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.