Home / 53,134.32-79,682.94-15,684.48

Finding the Fourth Proportional to 53,134.32, 79,682.94 and 15,684.48

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Solution

The fourth proportional to 53,134.32, 79,682.94 and 15,684.48 is: 23,521.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,134.32 : 79,682.94 = 15,684.48 : x
  2. Step 2: Convert to fraction form
    53,134.32/79,682.94 = 15,684.48/x
  3. Step 3: Cross multiply
    53,134.32x = 79,682.94 × 15,684.48
  4. Step 4: Simplify right side
    53,134.32x = 1,249,785,478.77
  5. Step 5: Solve for x
    x = 1,249,785,478.77/53,134.32
  6. Step 6: Final answer
    x = 23,521.25

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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.