Home / 108,640.08-149,927.40-60,894.36

Finding the Fourth Proportional to 108,640.08, 149,927.40 and 60,894.36

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Solution

The fourth proportional to 108,640.08, 149,927.40 and 60,894.36 is: 84,036.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,640.08 : 149,927.40 = 60,894.36 : x
  2. Step 2: Convert to fraction form
    108,640.08/149,927.40 = 60,894.36/x
  3. Step 3: Cross multiply
    108,640.08x = 149,927.40 × 60,894.36
  4. Step 4: Simplify right side
    108,640.08x = 9,129,733,069.46
  5. Step 5: Solve for x
    x = 9,129,733,069.46/108,640.08
  6. Step 6: Final answer
    x = 84,036.51

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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.