Home / 51,328.35-70,828.02-28,663.74

Finding the Fourth Proportional to 51,328.35, 70,828.02 and 28,663.74

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Solution

The fourth proportional to 51,328.35, 70,828.02 and 28,663.74 is: 39,553.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,328.35 : 70,828.02 = 28,663.74 : x
  2. Step 2: Convert to fraction form
    51,328.35/70,828.02 = 28,663.74/x
  3. Step 3: Cross multiply
    51,328.35x = 70,828.02 × 28,663.74
  4. Step 4: Simplify right side
    51,328.35x = 2,030,195,949.99
  5. Step 5: Solve for x
    x = 2,030,195,949.99/51,328.35
  6. Step 6: Final answer
    x = 39,553.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.