Home / 115,056.50-172,335.47-55,768.14

Finding the Fourth Proportional to 115,056.50, 172,335.47 and 55,768.14

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Solution

The fourth proportional to 115,056.50, 172,335.47 and 55,768.14 is: 83,531.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,056.50 : 172,335.47 = 55,768.14 : x
  2. Step 2: Convert to fraction form
    115,056.50/172,335.47 = 55,768.14/x
  3. Step 3: Cross multiply
    115,056.50x = 172,335.47 × 55,768.14
  4. Step 4: Simplify right side
    115,056.50x = 9,610,828,339.09
  5. Step 5: Solve for x
    x = 9,610,828,339.09/115,056.50
  6. Step 6: Final answer
    x = 83,531.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.