Home / 108,319.13-149,477.60-59,919.79

Finding the Fourth Proportional to 108,319.13, 149,477.60 and 59,919.79

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Solution

The fourth proportional to 108,319.13, 149,477.60 and 59,919.79 is: 82,687.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,319.13 : 149,477.60 = 59,919.79 : x
  2. Step 2: Convert to fraction form
    108,319.13/149,477.60 = 59,919.79/x
  3. Step 3: Cross multiply
    108,319.13x = 149,477.60 × 59,919.79
  4. Step 4: Simplify right side
    108,319.13x = 8,956,666,541.44
  5. Step 5: Solve for x
    x = 8,956,666,541.44/108,319.13
  6. Step 6: Final answer
    x = 82,687.77

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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.