Home / 77,237.34-115,852.55-21,077.27

Finding the Fourth Proportional to 77,237.34, 115,852.55 and 21,077.27

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Solution

The fourth proportional to 77,237.34, 115,852.55 and 21,077.27 is: 31,614.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,237.34 : 115,852.55 = 21,077.27 : x
  2. Step 2: Convert to fraction form
    77,237.34/115,852.55 = 21,077.27/x
  3. Step 3: Cross multiply
    77,237.34x = 115,852.55 × 21,077.27
  4. Step 4: Simplify right side
    77,237.34x = 2,441,854,791.89
  5. Step 5: Solve for x
    x = 2,441,854,791.89/77,237.34
  6. Step 6: Final answer
    x = 31,614.95

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1.5x scale

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.