Home / 108,936.15-150,339.95-61,192.32

Finding the Fourth Proportional to 108,936.15, 150,339.95 and 61,192.32

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Solution

The fourth proportional to 108,936.15, 150,339.95 and 61,192.32 is: 84,449.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,936.15 : 150,339.95 = 61,192.32 : x
  2. Step 2: Convert to fraction form
    108,936.15/150,339.95 = 61,192.32/x
  3. Step 3: Cross multiply
    108,936.15x = 150,339.95 × 61,192.32
  4. Step 4: Simplify right side
    108,936.15x = 9,199,650,329.18
  5. Step 5: Solve for x
    x = 9,199,650,329.18/108,936.15
  6. Step 6: Final answer
    x = 84,449.93

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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.