Home / 88,103.12-121,582.66-47,816.93

Finding the Fourth Proportional to 88,103.12, 121,582.66 and 47,816.93

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Solution

The fourth proportional to 88,103.12, 121,582.66 and 47,816.93 is: 65,987.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,103.12 : 121,582.66 = 47,816.93 : x
  2. Step 2: Convert to fraction form
    88,103.12/121,582.66 = 47,816.93/x
  3. Step 3: Cross multiply
    88,103.12x = 121,582.66 × 47,816.93
  4. Step 4: Simplify right side
    88,103.12x = 5,813,709,950.99
  5. Step 5: Solve for x
    x = 5,813,709,950.99/88,103.12
  6. Step 6: Final answer
    x = 65,987.56

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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.