Home / 77,269.64-106,634.74-43,279.58

Finding the Fourth Proportional to 77,269.64, 106,634.74 and 43,279.58

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Solution

The fourth proportional to 77,269.64, 106,634.74 and 43,279.58 is: 59,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,269.64 : 106,634.74 = 43,279.58 : x
  2. Step 2: Convert to fraction form
    77,269.64/106,634.74 = 43,279.58/x
  3. Step 3: Cross multiply
    77,269.64x = 106,634.74 × 43,279.58
  4. Step 4: Simplify right side
    77,269.64x = 4,615,106,760.61
  5. Step 5: Solve for x
    x = 4,615,106,760.61/77,269.64
  6. Step 6: Final answer
    x = 59,727.30

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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.