Home / 104,350.32-143,999.55-56,602.08

Finding the Fourth Proportional to 104,350.32, 143,999.55 and 56,602.08

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Solution

The fourth proportional to 104,350.32, 143,999.55 and 56,602.08 is: 78,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,350.32 : 143,999.55 = 56,602.08 : x
  2. Step 2: Convert to fraction form
    104,350.32/143,999.55 = 56,602.08/x
  3. Step 3: Cross multiply
    104,350.32x = 143,999.55 × 56,602.08
  4. Step 4: Simplify right side
    104,350.32x = 8,150,674,049.06
  5. Step 5: Solve for x
    x = 8,150,674,049.06/104,350.32
  6. Step 6: Final answer
    x = 78,108.76

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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.