Home / 77,012.28-115,473.60-37,529.64

Finding the Fourth Proportional to 77,012.28, 115,473.60 and 37,529.64

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Solution

The fourth proportional to 77,012.28, 115,473.60 and 37,529.64 is: 56,272.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,012.28 : 115,473.60 = 37,529.64 : x
  2. Step 2: Convert to fraction form
    77,012.28/115,473.60 = 37,529.64/x
  3. Step 3: Cross multiply
    77,012.28x = 115,473.60 × 37,529.64
  4. Step 4: Simplify right side
    77,012.28x = 4,333,682,637.50
  5. Step 5: Solve for x
    x = 4,333,682,637.50/77,012.28
  6. Step 6: Final answer
    x = 56,272.62

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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.