Home / 83,268.48-124,943.70-38,888.79

Finding the Fourth Proportional to 83,268.48, 124,943.70 and 38,888.79

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Solution

The fourth proportional to 83,268.48, 124,943.70 and 38,888.79 is: 58,352.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,268.48 : 124,943.70 = 38,888.79 : x
  2. Step 2: Convert to fraction form
    83,268.48/124,943.70 = 38,888.79/x
  3. Step 3: Cross multiply
    83,268.48x = 124,943.70 × 38,888.79
  4. Step 4: Simplify right side
    83,268.48x = 4,858,909,311.12
  5. Step 5: Solve for x
    x = 4,858,909,311.12/83,268.48
  6. Step 6: Final answer
    x = 58,352.32

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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.