Home / 98,629.60-147,941.16-39,449.38

Finding the Fourth Proportional to 98,629.60, 147,941.16 and 39,449.38

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Solution

The fourth proportional to 98,629.60, 147,941.16 and 39,449.38 is: 59,172.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,629.60 : 147,941.16 = 39,449.38 : x
  2. Step 2: Convert to fraction form
    98,629.60/147,941.16 = 39,449.38/x
  3. Step 3: Cross multiply
    98,629.60x = 147,941.16 × 39,449.38
  4. Step 4: Simplify right side
    98,629.60x = 5,836,187,038.48
  5. Step 5: Solve for x
    x = 5,836,187,038.48/98,629.60
  6. Step 6: Final answer
    x = 59,172.77

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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.