Home / 109,056.06-150,496.47-61,309.62

Finding the Fourth Proportional to 109,056.06, 150,496.47 and 61,309.62

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Solution

The fourth proportional to 109,056.06, 150,496.47 and 61,309.62 is: 84,606.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,056.06 : 150,496.47 = 61,309.62 : x
  2. Step 2: Convert to fraction form
    109,056.06/150,496.47 = 61,309.62/x
  3. Step 3: Cross multiply
    109,056.06x = 150,496.47 × 61,309.62
  4. Step 4: Simplify right side
    109,056.06x = 9,226,881,387.04
  5. Step 5: Solve for x
    x = 9,226,881,387.04/109,056.06
  6. Step 6: Final answer
    x = 84,606.77

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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.