Home / 112,872.12-169,308.50-46,313.20

Finding the Fourth Proportional to 112,872.12, 169,308.50 and 46,313.20

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Solution

The fourth proportional to 112,872.12, 169,308.50 and 46,313.20 is: 69,469.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,872.12 : 169,308.50 = 46,313.20 : x
  2. Step 2: Convert to fraction form
    112,872.12/169,308.50 = 46,313.20/x
  3. Step 3: Cross multiply
    112,872.12x = 169,308.50 × 46,313.20
  4. Step 4: Simplify right side
    112,872.12x = 7,841,218,402.27
  5. Step 5: Solve for x
    x = 7,841,218,402.27/112,872.12
  6. Step 6: Final answer
    x = 69,469.93

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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.