Home / 115,056.48-172,584.72-36,177.60

Finding the Fourth Proportional to 115,056.48, 172,584.72 and 36,177.60

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Solution

The fourth proportional to 115,056.48, 172,584.72 and 36,177.60 is: 54,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,056.48 : 172,584.72 = 36,177.60 : x
  2. Step 2: Convert to fraction form
    115,056.48/172,584.72 = 36,177.60/x
  3. Step 3: Cross multiply
    115,056.48x = 172,584.72 × 36,177.60
  4. Step 4: Simplify right side
    115,056.48x = 6,243,700,966.27
  5. Step 5: Solve for x
    x = 6,243,700,966.27/115,056.48
  6. Step 6: Final answer
    x = 54,266.40

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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.