Home / 77,340.96-115,907.76-35,696.16

Finding the Fourth Proportional to 77,340.96, 115,907.76 and 35,696.16

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Solution

The fourth proportional to 77,340.96, 115,907.76 and 35,696.16 is: 53,496.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,340.96 : 115,907.76 = 35,696.16 : x
  2. Step 2: Convert to fraction form
    77,340.96/115,907.76 = 35,696.16/x
  3. Step 3: Cross multiply
    77,340.96x = 115,907.76 × 35,696.16
  4. Step 4: Simplify right side
    77,340.96x = 4,137,461,946.20
  5. Step 5: Solve for x
    x = 4,137,461,946.20/77,340.96
  6. Step 6: Final answer
    x = 53,496.39

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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.