Home / 56,795.21-78,390.75-35,301.19

Finding the Fourth Proportional to 56,795.21, 78,390.75 and 35,301.19

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Solution

The fourth proportional to 56,795.21, 78,390.75 and 35,301.19 is: 48,723.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,795.21 : 78,390.75 = 35,301.19 : x
  2. Step 2: Convert to fraction form
    56,795.21/78,390.75 = 35,301.19/x
  3. Step 3: Cross multiply
    56,795.21x = 78,390.75 × 35,301.19
  4. Step 4: Simplify right side
    56,795.21x = 2,767,286,644.81
  5. Step 5: Solve for x
    x = 2,767,286,644.81/56,795.21
  6. Step 6: Final answer
    x = 48,723.95

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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.