Home / 61,622.84-85,053.48-51,533.76

Finding the Fourth Proportional to 61,622.84, 85,053.48 and 51,533.76

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Solution

The fourth proportional to 61,622.84, 85,053.48 and 51,533.76 is: 71,128.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,622.84 : 85,053.48 = 51,533.76 : x
  2. Step 2: Convert to fraction form
    61,622.84/85,053.48 = 51,533.76/x
  3. Step 3: Cross multiply
    61,622.84x = 85,053.48 × 51,533.76
  4. Step 4: Simplify right side
    61,622.84x = 4,383,125,625.48
  5. Step 5: Solve for x
    x = 4,383,125,625.48/61,622.84
  6. Step 6: Final answer
    x = 71,128.26

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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.