Home / 56,928.30-78,567.71-47,351.29

Finding the Fourth Proportional to 56,928.30, 78,567.71 and 47,351.29

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Solution

The fourth proportional to 56,928.30, 78,567.71 and 47,351.29 is: 65,350.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,928.30 : 78,567.71 = 47,351.29 : x
  2. Step 2: Convert to fraction form
    56,928.30/78,567.71 = 47,351.29/x
  3. Step 3: Cross multiply
    56,928.30x = 78,567.71 × 47,351.29
  4. Step 4: Simplify right side
    56,928.30x = 3,720,282,342.80
  5. Step 5: Solve for x
    x = 3,720,282,342.80/56,928.30
  6. Step 6: Final answer
    x = 65,350.32

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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.