Home / 76,036.95-114,053.05-31,662.58

Finding the Fourth Proportional to 76,036.95, 114,053.05 and 31,662.58

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Solution

The fourth proportional to 76,036.95, 114,053.05 and 31,662.58 is: 47,492.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,036.95 : 114,053.05 = 31,662.58 : x
  2. Step 2: Convert to fraction form
    76,036.95/114,053.05 = 31,662.58/x
  3. Step 3: Cross multiply
    76,036.95x = 114,053.05 × 31,662.58
  4. Step 4: Simplify right side
    76,036.95x = 3,611,213,819.87
  5. Step 5: Solve for x
    x = 3,611,213,819.87/76,036.95
  6. Step 6: Final answer
    x = 47,492.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.