Home / 88,105.19-121,582.06-47,818.14

Finding the Fourth Proportional to 88,105.19, 121,582.06 and 47,818.14

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Solution

The fourth proportional to 88,105.19, 121,582.06 and 47,818.14 is: 65,987.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,105.19 : 121,582.06 = 47,818.14 : x
  2. Step 2: Convert to fraction form
    88,105.19/121,582.06 = 47,818.14/x
  3. Step 3: Cross multiply
    88,105.19x = 121,582.06 × 47,818.14
  4. Step 4: Simplify right side
    88,105.19x = 5,813,827,660.07
  5. Step 5: Solve for x
    x = 5,813,827,660.07/88,105.19
  6. Step 6: Final answer
    x = 65,987.35

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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.