Home / 115,088.80-172,374-58,946.08

Finding the Fourth Proportional to 115,088.80, 172,374 and 58,946.08

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Solution

The fourth proportional to 115,088.80, 172,374 and 58,946.08 is: 88,286.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,088.80 : 172,374 = 58,946.08 : x
  2. Step 2: Convert to fraction form
    115,088.80/172,374 = 58,946.08/x
  3. Step 3: Cross multiply
    115,088.80x = 172,374 × 58,946.08
  4. Step 4: Simplify right side
    115,088.80x = 10,160,771,593.92
  5. Step 5: Solve for x
    x = 10,160,771,593.92/115,088.80
  6. Step 6: Final answer
    x = 88,286.36

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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.