Home / 104,516.12-144,232.52-56,768.45

Finding the Fourth Proportional to 104,516.12, 144,232.52 and 56,768.45

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Solution

The fourth proportional to 104,516.12, 144,232.52 and 56,768.45 is: 78,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,516.12 : 144,232.52 = 56,768.45 : x
  2. Step 2: Convert to fraction form
    104,516.12/144,232.52 = 56,768.45/x
  3. Step 3: Cross multiply
    104,516.12x = 144,232.52 × 56,768.45
  4. Step 4: Simplify right side
    104,516.12x = 8,187,855,594.99
  5. Step 5: Solve for x
    x = 8,187,855,594.99/104,516.12
  6. Step 6: Final answer
    x = 78,340.60

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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.