Home / 104,665.08-144,440.52-56,921.20

Finding the Fourth Proportional to 104,665.08, 144,440.52 and 56,921.20

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Solution

The fourth proportional to 104,665.08, 144,440.52 and 56,921.20 is: 78,552.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,665.08 : 144,440.52 = 56,921.20 : x
  2. Step 2: Convert to fraction form
    104,665.08/144,440.52 = 56,921.20/x
  3. Step 3: Cross multiply
    104,665.08x = 144,440.52 × 56,921.20
  4. Step 4: Simplify right side
    104,665.08x = 8,221,727,727.02
  5. Step 5: Solve for x
    x = 8,221,727,727.02/104,665.08
  6. Step 6: Final answer
    x = 78,552.73

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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.