Home / 104,897.84-144,759.56-57,151.58

Finding the Fourth Proportional to 104,897.84, 144,759.56 and 57,151.58

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Solution

The fourth proportional to 104,897.84, 144,759.56 and 57,151.58 is: 78,869.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,897.84 : 144,759.56 = 57,151.58 : x
  2. Step 2: Convert to fraction form
    104,897.84/144,759.56 = 57,151.58/x
  3. Step 3: Cross multiply
    104,897.84x = 144,759.56 × 57,151.58
  4. Step 4: Simplify right side
    104,897.84x = 8,273,236,564.55
  5. Step 5: Solve for x
    x = 8,273,236,564.55/104,897.84
  6. Step 6: Final answer
    x = 78,869.47

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1.5x scale

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.