Home / 84,981.06-117,272.34-47,254.50

Finding the Fourth Proportional to 84,981.06, 117,272.34 and 47,254.50

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Solution

The fourth proportional to 84,981.06, 117,272.34 and 47,254.50 is: 65,210.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,981.06 : 117,272.34 = 47,254.50 : x
  2. Step 2: Convert to fraction form
    84,981.06/117,272.34 = 47,254.50/x
  3. Step 3: Cross multiply
    84,981.06x = 117,272.34 × 47,254.50
  4. Step 4: Simplify right side
    84,981.06x = 5,541,645,790.53
  5. Step 5: Solve for x
    x = 5,541,645,790.53/84,981.06
  6. Step 6: Final answer
    x = 65,210.36

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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.