Home / 104,550.64-144,280.04-56,803.97

Finding the Fourth Proportional to 104,550.64, 144,280.04 and 56,803.97

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Solution

The fourth proportional to 104,550.64, 144,280.04 and 56,803.97 is: 78,389.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,550.64 : 144,280.04 = 56,803.97 : x
  2. Step 2: Convert to fraction form
    104,550.64/144,280.04 = 56,803.97/x
  3. Step 3: Cross multiply
    104,550.64x = 144,280.04 × 56,803.97
  4. Step 4: Simplify right side
    104,550.64x = 8,195,679,140.44
  5. Step 5: Solve for x
    x = 8,195,679,140.44/104,550.64
  6. Step 6: Final answer
    x = 78,389.57

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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.