Home / 73,929.28-102,012.96-42,093.76

Finding the Fourth Proportional to 73,929.28, 102,012.96 and 42,093.76

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Solution

The fourth proportional to 73,929.28, 102,012.96 and 42,093.76 is: 58,084.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,929.28 : 102,012.96 = 42,093.76 : x
  2. Step 2: Convert to fraction form
    73,929.28/102,012.96 = 42,093.76/x
  3. Step 3: Cross multiply
    73,929.28x = 102,012.96 × 42,093.76
  4. Step 4: Simplify right side
    73,929.28x = 4,294,109,055.13
  5. Step 5: Solve for x
    x = 4,294,109,055.13/73,929.28
  6. Step 6: Final answer
    x = 58,084.01

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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.