Home / 104,475.83-144,176.15-56,728.76

Finding the Fourth Proportional to 104,475.83, 144,176.15 and 56,728.76

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Solution

The fourth proportional to 104,475.83, 144,176.15 and 56,728.76 is: 78,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,475.83 : 144,176.15 = 56,728.76 : x
  2. Step 2: Convert to fraction form
    104,475.83/144,176.15 = 56,728.76/x
  3. Step 3: Cross multiply
    104,475.83x = 144,176.15 × 56,728.76
  4. Step 4: Simplify right side
    104,475.83x = 8,178,933,632.02
  5. Step 5: Solve for x
    x = 8,178,933,632.02/104,475.83
  6. Step 6: Final answer
    x = 78,285.42

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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.