Home / 105,814.53-158,720.06-42,633.14

Finding the Fourth Proportional to 105,814.53, 158,720.06 and 42,633.14

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Solution

The fourth proportional to 105,814.53, 158,720.06 and 42,633.14 is: 63,949.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,814.53 : 158,720.06 = 42,633.14 : x
  2. Step 2: Convert to fraction form
    105,814.53/158,720.06 = 42,633.14/x
  3. Step 3: Cross multiply
    105,814.53x = 158,720.06 × 42,633.14
  4. Step 4: Simplify right side
    105,814.53x = 6,766,733,851.77
  5. Step 5: Solve for x
    x = 6,766,733,851.77/105,814.53
  6. Step 6: Final answer
    x = 63,949.00

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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.