Home / 116,389.02-160,635.10-68,647.62

Finding the Fourth Proportional to 116,389.02, 160,635.10 and 68,647.62

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Solution

The fourth proportional to 116,389.02, 160,635.10 and 68,647.62 is: 94,744.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,389.02 : 160,635.10 = 68,647.62 : x
  2. Step 2: Convert to fraction form
    116,389.02/160,635.10 = 68,647.62/x
  3. Step 3: Cross multiply
    116,389.02x = 160,635.10 × 68,647.62
  4. Step 4: Simplify right side
    116,389.02x = 11,027,217,303.46
  5. Step 5: Solve for x
    x = 11,027,217,303.46/116,389.02
  6. Step 6: Final answer
    x = 94,744.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.