Home / 98,621.02-147,968.43-51,206.51

Finding the Fourth Proportional to 98,621.02, 147,968.43 and 51,206.51

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Solution

The fourth proportional to 98,621.02, 147,968.43 and 51,206.51 is: 76,828.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,621.02 : 147,968.43 = 51,206.51 : x
  2. Step 2: Convert to fraction form
    98,621.02/147,968.43 = 51,206.51/x
  3. Step 3: Cross multiply
    98,621.02x = 147,968.43 × 51,206.51
  4. Step 4: Simplify right side
    98,621.02x = 7,576,946,890.48
  5. Step 5: Solve for x
    x = 7,576,946,890.48/98,621.02
  6. Step 6: Final answer
    x = 76,828.92

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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.