Home / 74,802.02-112,137.41-30,466.06

Finding the Fourth Proportional to 74,802.02, 112,137.41 and 30,466.06

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Solution

The fourth proportional to 74,802.02, 112,137.41 and 30,466.06 is: 45,672.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,802.02 : 112,137.41 = 30,466.06 : x
  2. Step 2: Convert to fraction form
    74,802.02/112,137.41 = 30,466.06/x
  3. Step 3: Cross multiply
    74,802.02x = 112,137.41 × 30,466.06
  4. Step 4: Simplify right side
    74,802.02x = 3,416,384,857.13
  5. Step 5: Solve for x
    x = 3,416,384,857.13/74,802.02
  6. Step 6: Final answer
    x = 45,672.36

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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.