Home / 83,316.37-124,912.08-27,122.89

Finding the Fourth Proportional to 83,316.37, 124,912.08 and 27,122.89

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Solution

The fourth proportional to 83,316.37, 124,912.08 and 27,122.89 is: 40,664.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,316.37 : 124,912.08 = 27,122.89 : x
  2. Step 2: Convert to fraction form
    83,316.37/124,912.08 = 27,122.89/x
  3. Step 3: Cross multiply
    83,316.37x = 124,912.08 × 27,122.89
  4. Step 4: Simplify right side
    83,316.37x = 3,387,976,605.51
  5. Step 5: Solve for x
    x = 3,387,976,605.51/83,316.37
  6. Step 6: Final answer
    x = 40,664.00

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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.