Home / 109,206.66-150,710.04-61,463.10

Finding the Fourth Proportional to 109,206.66, 150,710.04 and 61,463.10

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Solution

The fourth proportional to 109,206.66, 150,710.04 and 61,463.10 is: 84,821.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,206.66 : 150,710.04 = 61,463.10 : x
  2. Step 2: Convert to fraction form
    109,206.66/150,710.04 = 61,463.10/x
  3. Step 3: Cross multiply
    109,206.66x = 150,710.04 × 61,463.10
  4. Step 4: Simplify right side
    109,206.66x = 9,263,106,259.52
  5. Step 5: Solve for x
    x = 9,263,106,259.52/109,206.66
  6. Step 6: Final answer
    x = 84,821.81

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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.