Home / 123,056.15-169,817.63-66,467.52

Finding the Fourth Proportional to 123,056.15, 169,817.63 and 66,467.52

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Solution

The fourth proportional to 123,056.15, 169,817.63 and 66,467.52 is: 91,725.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,056.15 : 169,817.63 = 66,467.52 : x
  2. Step 2: Convert to fraction form
    123,056.15/169,817.63 = 66,467.52/x
  3. Step 3: Cross multiply
    123,056.15x = 169,817.63 × 66,467.52
  4. Step 4: Simplify right side
    123,056.15x = 11,287,356,386.04
  5. Step 5: Solve for x
    x = 11,287,356,386.04/123,056.15
  6. Step 6: Final answer
    x = 91,725.26

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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.