Home / 104,740.74-144,542.70-56,993.76

Finding the Fourth Proportional to 104,740.74, 144,542.70 and 56,993.76

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Solution

The fourth proportional to 104,740.74, 144,542.70 and 56,993.76 is: 78,651.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,740.74 : 144,542.70 = 56,993.76 : x
  2. Step 2: Convert to fraction form
    104,740.74/144,542.70 = 56,993.76/x
  3. Step 3: Cross multiply
    104,740.74x = 144,542.70 × 56,993.76
  4. Step 4: Simplify right side
    104,740.74x = 8,238,031,953.55
  5. Step 5: Solve for x
    x = 8,238,031,953.55/104,740.74
  6. Step 6: Final answer
    x = 78,651.65

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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.