Home / 102,957.84-142,073.97-57,625.44

Finding the Fourth Proportional to 102,957.84, 142,073.97 and 57,625.44

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Solution

The fourth proportional to 102,957.84, 142,073.97 and 57,625.44 is: 79,518.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,957.84 : 142,073.97 = 57,625.44 : x
  2. Step 2: Convert to fraction form
    102,957.84/142,073.97 = 57,625.44/x
  3. Step 3: Cross multiply
    102,957.84x = 142,073.97 × 57,625.44
  4. Step 4: Simplify right side
    102,957.84x = 8,187,075,033.80
  5. Step 5: Solve for x
    x = 8,187,075,033.80/102,957.84
  6. Step 6: Final answer
    x = 79,518.71

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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.