Home / 74,316.53-102,641.99-48,936.36

Finding the Fourth Proportional to 74,316.53, 102,641.99 and 48,936.36

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Solution

The fourth proportional to 74,316.53, 102,641.99 and 48,936.36 is: 67,588.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,316.53 : 102,641.99 = 48,936.36 : x
  2. Step 2: Convert to fraction form
    74,316.53/102,641.99 = 48,936.36/x
  3. Step 3: Cross multiply
    74,316.53x = 102,641.99 × 48,936.36
  4. Step 4: Simplify right side
    74,316.53x = 5,022,925,129.07
  5. Step 5: Solve for x
    x = 5,022,925,129.07/74,316.53
  6. Step 6: Final answer
    x = 67,588.27

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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.