Home / 51,729.12-77,587.81-14,294.50

Finding the Fourth Proportional to 51,729.12, 77,587.81 and 14,294.50

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Solution

The fourth proportional to 51,729.12, 77,587.81 and 14,294.50 is: 21,440.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,729.12 : 77,587.81 = 14,294.50 : x
  2. Step 2: Convert to fraction form
    51,729.12/77,587.81 = 14,294.50/x
  3. Step 3: Cross multiply
    51,729.12x = 77,587.81 × 14,294.50
  4. Step 4: Simplify right side
    51,729.12x = 1,109,078,720.34
  5. Step 5: Solve for x
    x = 1,109,078,720.34/51,729.12
  6. Step 6: Final answer
    x = 21,440.12

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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.