Home / 108,285.66-149,429.95-59,884.45

Finding the Fourth Proportional to 108,285.66, 149,429.95 and 59,884.45

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Solution

The fourth proportional to 108,285.66, 149,429.95 and 59,884.45 is: 82,638.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,285.66 : 149,429.95 = 59,884.45 : x
  2. Step 2: Convert to fraction form
    108,285.66/149,429.95 = 59,884.45/x
  3. Step 3: Cross multiply
    108,285.66x = 149,429.95 × 59,884.45
  4. Step 4: Simplify right side
    108,285.66x = 8,948,529,845.99
  5. Step 5: Solve for x
    x = 8,948,529,845.99/108,285.66
  6. Step 6: Final answer
    x = 82,638.18

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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.