Home / 79,011.64-109,032.24-45,028.09

Finding the Fourth Proportional to 79,011.64, 109,032.24 and 45,028.09

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Solution

The fourth proportional to 79,011.64, 109,032.24 and 45,028.09 is: 62,136.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,011.64 : 109,032.24 = 45,028.09 : x
  2. Step 2: Convert to fraction form
    79,011.64/109,032.24 = 45,028.09/x
  3. Step 3: Cross multiply
    79,011.64x = 109,032.24 × 45,028.09
  4. Step 4: Simplify right side
    79,011.64x = 4,909,513,515.62
  5. Step 5: Solve for x
    x = 4,909,513,515.62/79,011.64
  6. Step 6: Final answer
    x = 62,136.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.