Home / 104,935.06-144,808.50-57,188.80

Finding the Fourth Proportional to 104,935.06, 144,808.50 and 57,188.80

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Solution

The fourth proportional to 104,935.06, 144,808.50 and 57,188.80 is: 78,919.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,935.06 : 144,808.50 = 57,188.80 : x
  2. Step 2: Convert to fraction form
    104,935.06/144,808.50 = 57,188.80/x
  3. Step 3: Cross multiply
    104,935.06x = 144,808.50 × 57,188.80
  4. Step 4: Simplify right side
    104,935.06x = 8,281,424,344.80
  5. Step 5: Solve for x
    x = 8,281,424,344.80/104,935.06
  6. Step 6: Final answer
    x = 78,919.52

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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.