Home / 89,111.54-133,657.89-46,974.74

Finding the Fourth Proportional to 89,111.54, 133,657.89 and 46,974.74

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Solution

The fourth proportional to 89,111.54, 133,657.89 and 46,974.74 is: 70,457.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,111.54 : 133,657.89 = 46,974.74 : x
  2. Step 2: Convert to fraction form
    89,111.54/133,657.89 = 46,974.74/x
  3. Step 3: Cross multiply
    89,111.54x = 133,657.89 × 46,974.74
  4. Step 4: Simplify right side
    89,111.54x = 6,278,544,631.70
  5. Step 5: Solve for x
    x = 6,278,544,631.70/89,111.54
  6. Step 6: Final answer
    x = 70,457.14

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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.