Home / 77,944.64-107,564.28-44,412.80

Finding the Fourth Proportional to 77,944.64, 107,564.28 and 44,412.80

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Solution

The fourth proportional to 77,944.64, 107,564.28 and 44,412.80 is: 61,290.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,944.64 : 107,564.28 = 44,412.80 : x
  2. Step 2: Convert to fraction form
    77,944.64/107,564.28 = 44,412.80/x
  3. Step 3: Cross multiply
    77,944.64x = 107,564.28 × 44,412.80
  4. Step 4: Simplify right side
    77,944.64x = 4,777,230,854.78
  5. Step 5: Solve for x
    x = 4,777,230,854.78/77,944.64
  6. Step 6: Final answer
    x = 61,290.05

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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.