Home / 115,077.48-172,612.12-35,112.21

Finding the Fourth Proportional to 115,077.48, 172,612.12 and 35,112.21

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Solution

The fourth proportional to 115,077.48, 172,612.12 and 35,112.21 is: 52,667.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,077.48 : 172,612.12 = 35,112.21 : x
  2. Step 2: Convert to fraction form
    115,077.48/172,612.12 = 35,112.21/x
  3. Step 3: Cross multiply
    115,077.48x = 172,612.12 × 35,112.21
  4. Step 4: Simplify right side
    115,077.48x = 6,060,793,005.99
  5. Step 5: Solve for x
    x = 6,060,793,005.99/115,077.48
  6. Step 6: Final answer
    x = 52,667.06

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1.5x scale

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.