Home / 55,901.90-77,136-33,240.44

Finding the Fourth Proportional to 55,901.90, 77,136 and 33,240.44

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Solution

The fourth proportional to 55,901.90, 77,136 and 33,240.44 is: 45,866.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,901.90 : 77,136 = 33,240.44 : x
  2. Step 2: Convert to fraction form
    55,901.90/77,136 = 33,240.44/x
  3. Step 3: Cross multiply
    55,901.90x = 77,136 × 33,240.44
  4. Step 4: Simplify right side
    55,901.90x = 2,564,034,579.84
  5. Step 5: Solve for x
    x = 2,564,034,579.84/55,901.90
  6. Step 6: Final answer
    x = 45,866.68

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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.