Home / 104,435.58-144,121.23-56,688.93

Finding the Fourth Proportional to 104,435.58, 144,121.23 and 56,688.93

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Solution

The fourth proportional to 104,435.58, 144,121.23 and 56,688.93 is: 78,230.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,435.58 : 144,121.23 = 56,688.93 : x
  2. Step 2: Convert to fraction form
    104,435.58/144,121.23 = 56,688.93/x
  3. Step 3: Cross multiply
    104,435.58x = 144,121.23 × 56,688.93
  4. Step 4: Simplify right side
    104,435.58x = 8,170,078,318.98
  5. Step 5: Solve for x
    x = 8,170,078,318.98/104,435.58
  6. Step 6: Final answer
    x = 78,230.79

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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.