Home / 115,202.96-172,828.56-48,643.28

Finding the Fourth Proportional to 115,202.96, 172,828.56 and 48,643.28

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Solution

The fourth proportional to 115,202.96, 172,828.56 and 48,643.28 is: 72,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,202.96 : 172,828.56 = 48,643.28 : x
  2. Step 2: Convert to fraction form
    115,202.96/172,828.56 = 48,643.28/x
  3. Step 3: Cross multiply
    115,202.96x = 172,828.56 × 48,643.28
  4. Step 4: Simplify right side
    115,202.96x = 8,406,948,036.08
  5. Step 5: Solve for x
    x = 8,406,948,036.08/115,202.96
  6. Step 6: Final answer
    x = 72,975.10

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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.