Home / 104,505.84-144,219.10-56,760.12

Finding the Fourth Proportional to 104,505.84, 144,219.10 and 56,760.12

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Solution

The fourth proportional to 104,505.84, 144,219.10 and 56,760.12 is: 78,329.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,505.84 : 144,219.10 = 56,760.12 : x
  2. Step 2: Convert to fraction form
    104,505.84/144,219.10 = 56,760.12/x
  3. Step 3: Cross multiply
    104,505.84x = 144,219.10 × 56,760.12
  4. Step 4: Simplify right side
    104,505.84x = 8,185,893,422.29
  5. Step 5: Solve for x
    x = 8,185,893,422.29/104,505.84
  6. Step 6: Final answer
    x = 78,329.53

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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.