Home / 104,068.08-143,614.32-56,321.40

Finding the Fourth Proportional to 104,068.08, 143,614.32 and 56,321.40

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Solution

The fourth proportional to 104,068.08, 143,614.32 and 56,321.40 is: 77,723.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,068.08 : 143,614.32 = 56,321.40 : x
  2. Step 2: Convert to fraction form
    104,068.08/143,614.32 = 56,321.40/x
  3. Step 3: Cross multiply
    104,068.08x = 143,614.32 × 56,321.40
  4. Step 4: Simplify right side
    104,068.08x = 8,088,559,562.45
  5. Step 5: Solve for x
    x = 8,088,559,562.45/104,068.08
  6. Step 6: Final answer
    x = 77,723.73

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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.