Home / 76,310.47-105,335.71-52,094.11

Finding the Fourth Proportional to 76,310.47, 105,335.71 and 52,094.11

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Solution

The fourth proportional to 76,310.47, 105,335.71 and 52,094.11 is: 71,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,310.47 : 105,335.71 = 52,094.11 : x
  2. Step 2: Convert to fraction form
    76,310.47/105,335.71 = 52,094.11/x
  3. Step 3: Cross multiply
    76,310.47x = 105,335.71 × 52,094.11
  4. Step 4: Simplify right side
    76,310.47x = 5,487,370,063.67
  5. Step 5: Solve for x
    x = 5,487,370,063.67/76,310.47
  6. Step 6: Final answer
    x = 71,908.48

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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.