Home / 83,528.94-115,276.60-47,238.04

Finding the Fourth Proportional to 83,528.94, 115,276.60 and 47,238.04

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Solution

The fourth proportional to 83,528.94, 115,276.60 and 47,238.04 is: 65,192.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,528.94 : 115,276.60 = 47,238.04 : x
  2. Step 2: Convert to fraction form
    83,528.94/115,276.60 = 47,238.04/x
  3. Step 3: Cross multiply
    83,528.94x = 115,276.60 × 47,238.04
  4. Step 4: Simplify right side
    83,528.94x = 5,445,440,845.01
  5. Step 5: Solve for x
    x = 5,445,440,845.01/83,528.94
  6. Step 6: Final answer
    x = 65,192.26

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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.