Home / 92,799.08-128,063.06-50,357.60

Finding the Fourth Proportional to 92,799.08, 128,063.06 and 50,357.60

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Solution

The fourth proportional to 92,799.08, 128,063.06 and 50,357.60 is: 69,493.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,799.08 : 128,063.06 = 50,357.60 : x
  2. Step 2: Convert to fraction form
    92,799.08/128,063.06 = 50,357.60/x
  3. Step 3: Cross multiply
    92,799.08x = 128,063.06 × 50,357.60
  4. Step 4: Simplify right side
    92,799.08x = 6,448,947,458.15
  5. Step 5: Solve for x
    x = 6,448,947,458.15/92,799.08
  6. Step 6: Final answer
    x = 69,493.66

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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.