Home / 77,410.26-106,587.78-67,794.72

Finding the Fourth Proportional to 77,410.26, 106,587.78 and 67,794.72

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Solution

The fourth proportional to 77,410.26, 106,587.78 and 67,794.72 is: 93,347.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,410.26 : 106,587.78 = 67,794.72 : x
  2. Step 2: Convert to fraction form
    77,410.26/106,587.78 = 67,794.72/x
  3. Step 3: Cross multiply
    77,410.26x = 106,587.78 × 67,794.72
  4. Step 4: Simplify right side
    77,410.26x = 7,226,088,700.52
  5. Step 5: Solve for x
    x = 7,226,088,700.52/77,410.26
  6. Step 6: Final answer
    x = 93,347.95

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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.