Home / 53,203.08-79,569.32-47,321.24

Finding the Fourth Proportional to 53,203.08, 79,569.32 and 47,321.24

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Solution

The fourth proportional to 53,203.08, 79,569.32 and 47,321.24 is: 70,772.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,203.08 : 79,569.32 = 47,321.24 : x
  2. Step 2: Convert to fraction form
    53,203.08/79,569.32 = 47,321.24/x
  3. Step 3: Cross multiply
    53,203.08x = 79,569.32 × 47,321.24
  4. Step 4: Simplify right side
    53,203.08x = 3,765,318,888.36
  5. Step 5: Solve for x
    x = 3,765,318,888.36/53,203.08
  6. Step 6: Final answer
    x = 70,772.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.