Home / 108,369.48-149,546.41-60,621.81

Finding the Fourth Proportional to 108,369.48, 149,546.41 and 60,621.81

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Solution

The fourth proportional to 108,369.48, 149,546.41 and 60,621.81 is: 83,656.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,369.48 : 149,546.41 = 60,621.81 : x
  2. Step 2: Convert to fraction form
    108,369.48/149,546.41 = 60,621.81/x
  3. Step 3: Cross multiply
    108,369.48x = 149,546.41 × 60,621.81
  4. Step 4: Simplify right side
    108,369.48x = 9,065,774,053.20
  5. Step 5: Solve for x
    x = 9,065,774,053.20/108,369.48
  6. Step 6: Final answer
    x = 83,656.16

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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.