Home / 108,466.16-149,669.24-60,719.55

Finding the Fourth Proportional to 108,466.16, 149,669.24 and 60,719.55

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Solution

The fourth proportional to 108,466.16, 149,669.24 and 60,719.55 is: 83,785.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,466.16 : 149,669.24 = 60,719.55 : x
  2. Step 2: Convert to fraction form
    108,466.16/149,669.24 = 60,719.55/x
  3. Step 3: Cross multiply
    108,466.16x = 149,669.24 × 60,719.55
  4. Step 4: Simplify right side
    108,466.16x = 9,087,848,970.05
  5. Step 5: Solve for x
    x = 9,087,848,970.05/108,466.16
  6. Step 6: Final answer
    x = 83,785.11

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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.