Home / 105,060.61-144,983.44-57,313.95

Finding the Fourth Proportional to 105,060.61, 144,983.44 and 57,313.95

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Solution

The fourth proportional to 105,060.61, 144,983.44 and 57,313.95 is: 79,093.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,060.61 : 144,983.44 = 57,313.95 : x
  2. Step 2: Convert to fraction form
    105,060.61/144,983.44 = 57,313.95/x
  3. Step 3: Cross multiply
    105,060.61x = 144,983.44 × 57,313.95
  4. Step 4: Simplify right side
    105,060.61x = 8,309,573,630.99
  5. Step 5: Solve for x
    x = 8,309,573,630.99/105,060.61
  6. Step 6: Final answer
    x = 79,093.14

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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.