Home / 68,072.02-102,032.36-51,377.92

Finding the Fourth Proportional to 68,072.02, 102,032.36 and 51,377.92

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Solution

The fourth proportional to 68,072.02, 102,032.36 and 51,377.92 is: 77,009.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,072.02 : 102,032.36 = 51,377.92 : x
  2. Step 2: Convert to fraction form
    68,072.02/102,032.36 = 51,377.92/x
  3. Step 3: Cross multiply
    68,072.02x = 102,032.36 × 51,377.92
  4. Step 4: Simplify right side
    68,072.02x = 5,242,210,110.19
  5. Step 5: Solve for x
    x = 5,242,210,110.19/68,072.02
  6. Step 6: Final answer
    x = 77,009.77

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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.