Home / 64,912.02-97,371.69-31,660.53

Finding the Fourth Proportional to 64,912.02, 97,371.69 and 31,660.53

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Solution

The fourth proportional to 64,912.02, 97,371.69 and 31,660.53 is: 47,492.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,912.02 : 97,371.69 = 31,660.53 : x
  2. Step 2: Convert to fraction form
    64,912.02/97,371.69 = 31,660.53/x
  3. Step 3: Cross multiply
    64,912.02x = 97,371.69 × 31,660.53
  4. Step 4: Simplify right side
    64,912.02x = 3,082,839,312.40
  5. Step 5: Solve for x
    x = 3,082,839,312.40/64,912.02
  6. Step 6: Final answer
    x = 47,492.58

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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.