Home / 88,130.84-121,620.56-47,844.54

Finding the Fourth Proportional to 88,130.84, 121,620.56 and 47,844.54

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Solution

The fourth proportional to 88,130.84, 121,620.56 and 47,844.54 is: 66,025.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,130.84 : 121,620.56 = 47,844.54 : x
  2. Step 2: Convert to fraction form
    88,130.84/121,620.56 = 47,844.54/x
  3. Step 3: Cross multiply
    88,130.84x = 121,620.56 × 47,844.54
  4. Step 4: Simplify right side
    88,130.84x = 5,818,879,508.52
  5. Step 5: Solve for x
    x = 5,818,879,508.52/88,130.84
  6. Step 6: Final answer
    x = 66,025.47

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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.