Home / 106,996.18-147,642.72-59,237.54

Finding the Fourth Proportional to 106,996.18, 147,642.72 and 59,237.54

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Solution

The fourth proportional to 106,996.18, 147,642.72 and 59,237.54 is: 81,741.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,996.18 : 147,642.72 = 59,237.54 : x
  2. Step 2: Convert to fraction form
    106,996.18/147,642.72 = 59,237.54/x
  3. Step 3: Cross multiply
    106,996.18x = 147,642.72 × 59,237.54
  4. Step 4: Simplify right side
    106,996.18x = 8,745,991,531.71
  5. Step 5: Solve for x
    x = 8,745,991,531.71/106,996.18
  6. Step 6: Final answer
    x = 81,741.16

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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.