Home / 77,336.15-115,990.32-35,206.16

Finding the Fourth Proportional to 77,336.15, 115,990.32 and 35,206.16

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Solution

The fourth proportional to 77,336.15, 115,990.32 and 35,206.16 is: 52,802.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,336.15 : 115,990.32 = 35,206.16 : x
  2. Step 2: Convert to fraction form
    77,336.15/115,990.32 = 35,206.16/x
  3. Step 3: Cross multiply
    77,336.15x = 115,990.32 × 35,206.16
  4. Step 4: Simplify right side
    77,336.15x = 4,083,573,764.37
  5. Step 5: Solve for x
    x = 4,083,573,764.37/77,336.15
  6. Step 6: Final answer
    x = 52,802.91

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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.