Home / 77,924.29-107,485.65-54,042.25

Finding the Fourth Proportional to 77,924.29, 107,485.65 and 54,042.25

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Solution

The fourth proportional to 77,924.29, 107,485.65 and 54,042.25 is: 74,543.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,924.29 : 107,485.65 = 54,042.25 : x
  2. Step 2: Convert to fraction form
    77,924.29/107,485.65 = 54,042.25/x
  3. Step 3: Cross multiply
    77,924.29x = 107,485.65 × 54,042.25
  4. Step 4: Simplify right side
    77,924.29x = 5,808,765,561.07
  5. Step 5: Solve for x
    x = 5,808,765,561.07/77,924.29
  6. Step 6: Final answer
    x = 74,543.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.