Home / 57,390.06-79,200.32-31,896.93

Finding the Fourth Proportional to 57,390.06, 79,200.32 and 31,896.93

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Solution

The fourth proportional to 57,390.06, 79,200.32 and 31,896.93 is: 44,018.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,390.06 : 79,200.32 = 31,896.93 : x
  2. Step 2: Convert to fraction form
    57,390.06/79,200.32 = 31,896.93/x
  3. Step 3: Cross multiply
    57,390.06x = 79,200.32 × 31,896.93
  4. Step 4: Simplify right side
    57,390.06x = 2,526,246,903.53
  5. Step 5: Solve for x
    x = 2,526,246,903.53/57,390.06
  6. Step 6: Final answer
    x = 44,018.89

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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.