Home / 108,640.93-149,931.41-60,894.28

Finding the Fourth Proportional to 108,640.93, 149,931.41 and 60,894.28

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Solution

The fourth proportional to 108,640.93, 149,931.41 and 60,894.28 is: 84,037.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,640.93 : 149,931.41 = 60,894.28 : x
  2. Step 2: Convert to fraction form
    108,640.93/149,931.41 = 60,894.28/x
  3. Step 3: Cross multiply
    108,640.93x = 149,931.41 × 60,894.28
  4. Step 4: Simplify right side
    108,640.93x = 9,129,965,336.95
  5. Step 5: Solve for x
    x = 9,129,965,336.95/108,640.93
  6. Step 6: Final answer
    x = 84,037.99

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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.