Home / 105,617.37-158,378.69-62,942.95

Finding the Fourth Proportional to 105,617.37, 158,378.69 and 62,942.95

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Solution

The fourth proportional to 105,617.37, 158,378.69 and 62,942.95 is: 94,386.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,617.37 : 158,378.69 = 62,942.95 : x
  2. Step 2: Convert to fraction form
    105,617.37/158,378.69 = 62,942.95/x
  3. Step 3: Cross multiply
    105,617.37x = 158,378.69 × 62,942.95
  4. Step 4: Simplify right side
    105,617.37x = 9,968,821,875.63
  5. Step 5: Solve for x
    x = 9,968,821,875.63/105,617.37
  6. Step 6: Final answer
    x = 94,386.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.