Home / 58,611.20-80,920.14-45,156.92

Finding the Fourth Proportional to 58,611.20, 80,920.14 and 45,156.92

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Solution

The fourth proportional to 58,611.20, 80,920.14 and 45,156.92 is: 62,344.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,611.20 : 80,920.14 = 45,156.92 : x
  2. Step 2: Convert to fraction form
    58,611.20/80,920.14 = 45,156.92/x
  3. Step 3: Cross multiply
    58,611.20x = 80,920.14 × 45,156.92
  4. Step 4: Simplify right side
    58,611.20x = 3,654,104,288.37
  5. Step 5: Solve for x
    x = 3,654,104,288.37/58,611.20
  6. Step 6: Final answer
    x = 62,344.81

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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.