Home / 79,012.14-109,032.93-45,028.59

Finding the Fourth Proportional to 79,012.14, 109,032.93 and 45,028.59

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Solution

The fourth proportional to 79,012.14, 109,032.93 and 45,028.59 is: 62,137.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,012.14 : 109,032.93 = 45,028.59 : x
  2. Step 2: Convert to fraction form
    79,012.14/109,032.93 = 45,028.59/x
  3. Step 3: Cross multiply
    79,012.14x = 109,032.93 × 45,028.59
  4. Step 4: Simplify right side
    79,012.14x = 4,909,599,101.47
  5. Step 5: Solve for x
    x = 4,909,599,101.47/79,012.14
  6. Step 6: Final answer
    x = 62,137.28

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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.