Home / 53,307.18-79,976.75-15,868.56

Finding the Fourth Proportional to 53,307.18, 79,976.75 and 15,868.56

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Solution

The fourth proportional to 53,307.18, 79,976.75 and 15,868.56 is: 23,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,307.18 : 79,976.75 = 15,868.56 : x
  2. Step 2: Convert to fraction form
    53,307.18/79,976.75 = 15,868.56/x
  3. Step 3: Cross multiply
    53,307.18x = 79,976.75 × 15,868.56
  4. Step 4: Simplify right side
    53,307.18x = 1,269,115,776.64
  5. Step 5: Solve for x
    x = 1,269,115,776.64/53,307.18
  6. Step 6: Final answer
    x = 23,807.60

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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.