Home / 104,438.41-144,124.88-56,691.76

Finding the Fourth Proportional to 104,438.41, 144,124.88 and 56,691.76

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Solution

The fourth proportional to 104,438.41, 144,124.88 and 56,691.76 is: 78,234.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,438.41 : 144,124.88 = 56,691.76 : x
  2. Step 2: Convert to fraction form
    104,438.41/144,124.88 = 56,691.76/x
  3. Step 3: Cross multiply
    104,438.41x = 144,124.88 × 56,691.76
  4. Step 4: Simplify right side
    104,438.41x = 8,170,692,675.81
  5. Step 5: Solve for x
    x = 8,170,692,675.81/104,438.41
  6. Step 6: Final answer
    x = 78,234.56

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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.