Home / 104,449.28-144,143.08-56,705.68

Finding the Fourth Proportional to 104,449.28, 144,143.08 and 56,705.68

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Solution

The fourth proportional to 104,449.28, 144,143.08 and 56,705.68 is: 78,255.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,449.28 : 144,143.08 = 56,705.68 : x
  2. Step 2: Convert to fraction form
    104,449.28/144,143.08 = 56,705.68/x
  3. Step 3: Cross multiply
    104,449.28x = 144,143.08 × 56,705.68
  4. Step 4: Simplify right side
    104,449.28x = 8,173,731,368.69
  5. Step 5: Solve for x
    x = 8,173,731,368.69/104,449.28
  6. Step 6: Final answer
    x = 78,255.51

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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.