Home / 92,799.07-128,063.07-50,357.61

Finding the Fourth Proportional to 92,799.07, 128,063.07 and 50,357.61

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Solution

The fourth proportional to 92,799.07, 128,063.07 and 50,357.61 is: 69,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,799.07 : 128,063.07 = 50,357.61 : x
  2. Step 2: Convert to fraction form
    92,799.07/128,063.07 = 50,357.61/x
  3. Step 3: Cross multiply
    92,799.07x = 128,063.07 × 50,357.61
  4. Step 4: Simplify right side
    92,799.07x = 6,448,950,134.46
  5. Step 5: Solve for x
    x = 6,448,950,134.46/92,799.07
  6. Step 6: Final answer
    x = 69,493.70

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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.