Home / 92,836.49-128,114.46-50,395.01

Finding the Fourth Proportional to 92,836.49, 128,114.46 and 50,395.01

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Solution

The fourth proportional to 92,836.49, 128,114.46 and 50,395.01 is: 69,545.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,836.49 : 128,114.46 = 50,395.01 : x
  2. Step 2: Convert to fraction form
    92,836.49/128,114.46 = 50,395.01/x
  3. Step 3: Cross multiply
    92,836.49x = 128,114.46 × 50,395.01
  4. Step 4: Simplify right side
    92,836.49x = 6,456,329,492.84
  5. Step 5: Solve for x
    x = 6,456,329,492.84/92,836.49
  6. Step 6: Final answer
    x = 69,545.17

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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.