Home / 112,046.79-167,943.07-69,945.68

Finding the Fourth Proportional to 112,046.79, 167,943.07 and 69,945.68

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Solution

The fourth proportional to 112,046.79, 167,943.07 and 69,945.68 is: 104,839.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,046.79 : 167,943.07 = 69,945.68 : x
  2. Step 2: Convert to fraction form
    112,046.79/167,943.07 = 69,945.68/x
  3. Step 3: Cross multiply
    112,046.79x = 167,943.07 × 69,945.68
  4. Step 4: Simplify right side
    112,046.79x = 11,746,891,795.05
  5. Step 5: Solve for x
    x = 11,746,891,795.05/112,046.79
  6. Step 6: Final answer
    x = 104,839.16

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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.