Home / 53,167.42-79,762.80-15,724.57

Finding the Fourth Proportional to 53,167.42, 79,762.80 and 15,724.57

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Solution

The fourth proportional to 53,167.42, 79,762.80 and 15,724.57 is: 23,590.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,167.42 : 79,762.80 = 15,724.57 : x
  2. Step 2: Convert to fraction form
    53,167.42/79,762.80 = 15,724.57/x
  3. Step 3: Cross multiply
    53,167.42x = 79,762.80 × 15,724.57
  4. Step 4: Simplify right side
    53,167.42x = 1,254,235,890.67
  5. Step 5: Solve for x
    x = 1,254,235,890.67/53,167.42
  6. Step 6: Final answer
    x = 23,590.31

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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.