Home / 57,678.12-79,565.40-46,935.18

Finding the Fourth Proportional to 57,678.12, 79,565.40 and 46,935.18

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Solution

The fourth proportional to 57,678.12, 79,565.40 and 46,935.18 is: 64,745.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,678.12 : 79,565.40 = 46,935.18 : x
  2. Step 2: Convert to fraction form
    57,678.12/79,565.40 = 46,935.18/x
  3. Step 3: Cross multiply
    57,678.12x = 79,565.40 × 46,935.18
  4. Step 4: Simplify right side
    57,678.12x = 3,734,416,370.77
  5. Step 5: Solve for x
    x = 3,734,416,370.77/57,678.12
  6. Step 6: Final answer
    x = 64,745.81

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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.