Home / 107,136.15-147,837.94-59,385.43

Finding the Fourth Proportional to 107,136.15, 147,837.94 and 59,385.43

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Solution

The fourth proportional to 107,136.15, 147,837.94 and 59,385.43 is: 81,946.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,136.15 : 147,837.94 = 59,385.43 : x
  2. Step 2: Convert to fraction form
    107,136.15/147,837.94 = 59,385.43/x
  3. Step 3: Cross multiply
    107,136.15x = 147,837.94 × 59,385.43
  4. Step 4: Simplify right side
    107,136.15x = 8,779,420,007.59
  5. Step 5: Solve for x
    x = 8,779,420,007.59/107,136.15
  6. Step 6: Final answer
    x = 81,946.39

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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.