Home / 52,495.16-78,775.54-21,330.41

Finding the Fourth Proportional to 52,495.16, 78,775.54 and 21,330.41

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Solution

The fourth proportional to 52,495.16, 78,775.54 and 21,330.41 is: 32,008.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,495.16 : 78,775.54 = 21,330.41 : x
  2. Step 2: Convert to fraction form
    52,495.16/78,775.54 = 21,330.41/x
  3. Step 3: Cross multiply
    52,495.16x = 78,775.54 × 21,330.41
  4. Step 4: Simplify right side
    52,495.16x = 1,680,314,118.97
  5. Step 5: Solve for x
    x = 1,680,314,118.97/52,495.16
  6. Step 6: Final answer
    x = 32,008.94

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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.