Home / 74,905.02-112,314.06-35,461.80

Finding the Fourth Proportional to 74,905.02, 112,314.06 and 35,461.80

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Solution

The fourth proportional to 74,905.02, 112,314.06 and 35,461.80 is: 53,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,905.02 : 112,314.06 = 35,461.80 : x
  2. Step 2: Convert to fraction form
    74,905.02/112,314.06 = 35,461.80/x
  3. Step 3: Cross multiply
    74,905.02x = 112,314.06 × 35,461.80
  4. Step 4: Simplify right side
    74,905.02x = 3,982,858,732.91
  5. Step 5: Solve for x
    x = 3,982,858,732.91/74,905.02
  6. Step 6: Final answer
    x = 53,172.12

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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.