Home / 105,057.06-157,614.75-58,342.74

Finding the Fourth Proportional to 105,057.06, 157,614.75 and 58,342.74

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Solution

The fourth proportional to 105,057.06, 157,614.75 and 58,342.74 is: 87,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,057.06 : 157,614.75 = 58,342.74 : x
  2. Step 2: Convert to fraction form
    105,057.06/157,614.75 = 58,342.74/x
  3. Step 3: Cross multiply
    105,057.06x = 157,614.75 × 58,342.74
  4. Step 4: Simplify right side
    105,057.06x = 9,195,676,379.42
  5. Step 5: Solve for x
    x = 9,195,676,379.42/105,057.06
  6. Step 6: Final answer
    x = 87,530.30

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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.