Home / 104,073.35-143,621.23-56,326.70

Finding the Fourth Proportional to 104,073.35, 143,621.23 and 56,326.70

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Solution

The fourth proportional to 104,073.35, 143,621.23 and 56,326.70 is: 77,730.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,073.35 : 143,621.23 = 56,326.70 : x
  2. Step 2: Convert to fraction form
    104,073.35/143,621.23 = 56,326.70/x
  3. Step 3: Cross multiply
    104,073.35x = 143,621.23 × 56,326.70
  4. Step 4: Simplify right side
    104,073.35x = 8,089,709,935.84
  5. Step 5: Solve for x
    x = 8,089,709,935.84/104,073.35
  6. Step 6: Final answer
    x = 77,730.85

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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.