Home / 115,243.14-172,752.46-52,079.16

Finding the Fourth Proportional to 115,243.14, 172,752.46 and 52,079.16

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Solution

The fourth proportional to 115,243.14, 172,752.46 and 52,079.16 is: 78,068.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,243.14 : 172,752.46 = 52,079.16 : x
  2. Step 2: Convert to fraction form
    115,243.14/172,752.46 = 52,079.16/x
  3. Step 3: Cross multiply
    115,243.14x = 172,752.46 × 52,079.16
  4. Step 4: Simplify right side
    115,243.14x = 8,996,803,522.36
  5. Step 5: Solve for x
    x = 8,996,803,522.36/115,243.14
  6. Step 6: Final answer
    x = 78,068.02

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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.