Home / 104,500.72-144,210.96-56,754.08

Finding the Fourth Proportional to 104,500.72, 144,210.96 and 56,754.08

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Solution

The fourth proportional to 104,500.72, 144,210.96 and 56,754.08 is: 78,320.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,500.72 : 144,210.96 = 56,754.08 : x
  2. Step 2: Convert to fraction form
    104,500.72/144,210.96 = 56,754.08/x
  3. Step 3: Cross multiply
    104,500.72x = 144,210.96 × 56,754.08
  4. Step 4: Simplify right side
    104,500.72x = 8,184,560,360.72
  5. Step 5: Solve for x
    x = 8,184,560,360.72/104,500.72
  6. Step 6: Final answer
    x = 78,320.61

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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.