Home / 98,153.24-147,253.36-31,599.60

Finding the Fourth Proportional to 98,153.24, 147,253.36 and 31,599.60

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Solution

The fourth proportional to 98,153.24, 147,253.36 and 31,599.60 is: 47,406.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,153.24 : 147,253.36 = 31,599.60 : x
  2. Step 2: Convert to fraction form
    98,153.24/147,253.36 = 31,599.60/x
  3. Step 3: Cross multiply
    98,153.24x = 147,253.36 × 31,599.60
  4. Step 4: Simplify right side
    98,153.24x = 4,653,147,274.66
  5. Step 5: Solve for x
    x = 4,653,147,274.66/98,153.24
  6. Step 6: Final answer
    x = 47,406.97

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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.