Home / 80,444.76-111,029.93-46,458.78

Finding the Fourth Proportional to 80,444.76, 111,029.93 and 46,458.78

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Solution

The fourth proportional to 80,444.76, 111,029.93 and 46,458.78 is: 64,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,444.76 : 111,029.93 = 46,458.78 : x
  2. Step 2: Convert to fraction form
    80,444.76/111,029.93 = 46,458.78/x
  3. Step 3: Cross multiply
    80,444.76x = 111,029.93 × 46,458.78
  4. Step 4: Simplify right side
    80,444.76x = 5,158,314,858.99
  5. Step 5: Solve for x
    x = 5,158,314,858.99/80,444.76
  6. Step 6: Final answer
    x = 64,122.45

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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.