Home / 77,019.24-115,532.10-37,611.12

Finding the Fourth Proportional to 77,019.24, 115,532.10 and 37,611.12

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Solution

The fourth proportional to 77,019.24, 115,532.10 and 37,611.12 is: 56,418.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,019.24 : 115,532.10 = 37,611.12 : x
  2. Step 2: Convert to fraction form
    77,019.24/115,532.10 = 37,611.12/x
  3. Step 3: Cross multiply
    77,019.24x = 115,532.10 × 37,611.12
  4. Step 4: Simplify right side
    77,019.24x = 4,345,291,676.95
  5. Step 5: Solve for x
    x = 4,345,291,676.95/77,019.24
  6. Step 6: Final answer
    x = 56,418.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.