Home / 77,172.04-115,576.62-37,605.16

Finding the Fourth Proportional to 77,172.04, 115,576.62 and 37,605.16

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Solution

The fourth proportional to 77,172.04, 115,576.62 and 37,605.16 is: 56,319.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,172.04 : 115,576.62 = 37,605.16 : x
  2. Step 2: Convert to fraction form
    77,172.04/115,576.62 = 37,605.16/x
  3. Step 3: Cross multiply
    77,172.04x = 115,576.62 × 37,605.16
  4. Step 4: Simplify right side
    77,172.04x = 4,346,277,287.36
  5. Step 5: Solve for x
    x = 4,346,277,287.36/77,172.04
  6. Step 6: Final answer
    x = 56,319.33

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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.