Home / 109,892.06-151,586.07-70,148.06

Finding the Fourth Proportional to 109,892.06, 151,586.07 and 70,148.06

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Solution

The fourth proportional to 109,892.06, 151,586.07 and 70,148.06 is: 96,762.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,892.06 : 151,586.07 = 70,148.06 : x
  2. Step 2: Convert to fraction form
    109,892.06/151,586.07 = 70,148.06/x
  3. Step 3: Cross multiply
    109,892.06x = 151,586.07 × 70,148.06
  4. Step 4: Simplify right side
    109,892.06x = 10,633,468,733.52
  5. Step 5: Solve for x
    x = 10,633,468,733.52/109,892.06
  6. Step 6: Final answer
    x = 96,762.85

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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.