Home / 105,788.02-158,696.85-30,913.66

Finding the Fourth Proportional to 105,788.02, 158,696.85 and 30,913.66

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Solution

The fourth proportional to 105,788.02, 158,696.85 and 30,913.66 is: 46,374.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,788.02 : 158,696.85 = 30,913.66 : x
  2. Step 2: Convert to fraction form
    105,788.02/158,696.85 = 30,913.66/x
  3. Step 3: Cross multiply
    105,788.02x = 158,696.85 × 30,913.66
  4. Step 4: Simplify right side
    105,788.02x = 4,905,900,463.97
  5. Step 5: Solve for x
    x = 4,905,900,463.97/105,788.02
  6. Step 6: Final answer
    x = 46,374.82

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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.