Home / 51,932.16-77,909.76-16,875.36

Finding the Fourth Proportional to 51,932.16, 77,909.76 and 16,875.36

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Solution

The fourth proportional to 51,932.16, 77,909.76 and 16,875.36 is: 25,316.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,932.16 : 77,909.76 = 16,875.36 : x
  2. Step 2: Convert to fraction form
    51,932.16/77,909.76 = 16,875.36/x
  3. Step 3: Cross multiply
    51,932.16x = 77,909.76 × 16,875.36
  4. Step 4: Simplify right side
    51,932.16x = 1,314,755,247.51
  5. Step 5: Solve for x
    x = 1,314,755,247.51/51,932.16
  6. Step 6: Final answer
    x = 25,316.78

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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.