Home / 115,543.30-173,321.10-36,663.70

Finding the Fourth Proportional to 115,543.30, 173,321.10 and 36,663.70

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Solution

The fourth proportional to 115,543.30, 173,321.10 and 36,663.70 is: 54,997.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,543.30 : 173,321.10 = 36,663.70 : x
  2. Step 2: Convert to fraction form
    115,543.30/173,321.10 = 36,663.70/x
  3. Step 3: Cross multiply
    115,543.30x = 173,321.10 × 36,663.70
  4. Step 4: Simplify right side
    115,543.30x = 6,354,592,814.07
  5. Step 5: Solve for x
    x = 6,354,592,814.07/115,543.30
  6. Step 6: Final answer
    x = 54,997.50

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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.