Home / 74,802.97-112,204.14-30,429.36

Finding the Fourth Proportional to 74,802.97, 112,204.14 and 30,429.36

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Solution

The fourth proportional to 74,802.97, 112,204.14 and 30,429.36 is: 45,643.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,802.97 : 112,204.14 = 30,429.36 : x
  2. Step 2: Convert to fraction form
    74,802.97/112,204.14 = 30,429.36/x
  3. Step 3: Cross multiply
    74,802.97x = 112,204.14 × 30,429.36
  4. Step 4: Simplify right side
    74,802.97x = 3,414,300,169.55
  5. Step 5: Solve for x
    x = 3,414,300,169.55/74,802.97
  6. Step 6: Final answer
    x = 45,643.91

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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.