Home / 58,437.45-80,651.12-38,311.29

Finding the Fourth Proportional to 58,437.45, 80,651.12 and 38,311.29

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Solution

The fourth proportional to 58,437.45, 80,651.12 and 38,311.29 is: 52,874.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,437.45 : 80,651.12 = 38,311.29 : x
  2. Step 2: Convert to fraction form
    58,437.45/80,651.12 = 38,311.29/x
  3. Step 3: Cross multiply
    58,437.45x = 80,651.12 × 38,311.29
  4. Step 4: Simplify right side
    58,437.45x = 3,089,848,255.59
  5. Step 5: Solve for x
    x = 3,089,848,255.59/58,437.45
  6. Step 6: Final answer
    x = 52,874.45

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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.