Home / 104,345.65-143,996.27-56,599.05

Finding the Fourth Proportional to 104,345.65, 143,996.27 and 56,599.05

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Solution

The fourth proportional to 104,345.65, 143,996.27 and 56,599.05 is: 78,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,345.65 : 143,996.27 = 56,599.05 : x
  2. Step 2: Convert to fraction form
    104,345.65/143,996.27 = 56,599.05/x
  3. Step 3: Cross multiply
    104,345.65x = 143,996.27 × 56,599.05
  4. Step 4: Simplify right side
    104,345.65x = 8,150,052,342.53
  5. Step 5: Solve for x
    x = 8,150,052,342.53/104,345.65
  6. Step 6: Final answer
    x = 78,106.30

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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.