Home / 83,834.04-115,670.64-53,196

Finding the Fourth Proportional to 83,834.04, 115,670.64 and 53,196

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Solution

The fourth proportional to 83,834.04, 115,670.64 and 53,196 is: 73,397.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,834.04 : 115,670.64 = 53,196 : x
  2. Step 2: Convert to fraction form
    83,834.04/115,670.64 = 53,196/x
  3. Step 3: Cross multiply
    83,834.04x = 115,670.64 × 53,196
  4. Step 4: Simplify right side
    83,834.04x = 6,153,215,365.44
  5. Step 5: Solve for x
    x = 6,153,215,365.44/83,834.04
  6. Step 6: Final answer
    x = 73,397.58

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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.