Home / 104,621.15-144,375.45-56,875.70

Finding the Fourth Proportional to 104,621.15, 144,375.45 and 56,875.70

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Solution

The fourth proportional to 104,621.15, 144,375.45 and 56,875.70 is: 78,487.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,621.15 : 144,375.45 = 56,875.70 : x
  2. Step 2: Convert to fraction form
    104,621.15/144,375.45 = 56,875.70/x
  3. Step 3: Cross multiply
    104,621.15x = 144,375.45 × 56,875.70
  4. Step 4: Simplify right side
    104,621.15x = 8,211,454,059.69
  5. Step 5: Solve for x
    x = 8,211,454,059.69/104,621.15
  6. Step 6: Final answer
    x = 78,487.52

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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.