Home / 51,577.23-77,357.54-14,128.55

Finding the Fourth Proportional to 51,577.23, 77,357.54 and 14,128.55

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Solution

The fourth proportional to 51,577.23, 77,357.54 and 14,128.55 is: 21,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,577.23 : 77,357.54 = 14,128.55 : x
  2. Step 2: Convert to fraction form
    51,577.23/77,357.54 = 14,128.55/x
  3. Step 3: Cross multiply
    51,577.23x = 77,357.54 × 14,128.55
  4. Step 4: Simplify right side
    51,577.23x = 1,092,949,871.77
  5. Step 5: Solve for x
    x = 1,092,949,871.77/51,577.23
  6. Step 6: Final answer
    x = 21,190.55

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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.