Home / 116,424.02-174,511.70-66,396.40

Finding the Fourth Proportional to 116,424.02, 174,511.70 and 66,396.40

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Solution

The fourth proportional to 116,424.02, 174,511.70 and 66,396.40 is: 99,523.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,424.02 : 174,511.70 = 66,396.40 : x
  2. Step 2: Convert to fraction form
    116,424.02/174,511.70 = 66,396.40/x
  3. Step 3: Cross multiply
    116,424.02x = 174,511.70 × 66,396.40
  4. Step 4: Simplify right side
    116,424.02x = 11,586,948,637.88
  5. Step 5: Solve for x
    x = 11,586,948,637.88/116,424.02
  6. Step 6: Final answer
    x = 99,523.69

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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.