Home / 96,435.15-133,091.87-53,985.48

Finding the Fourth Proportional to 96,435.15, 133,091.87 and 53,985.48

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Solution

The fourth proportional to 96,435.15, 133,091.87 and 53,985.48 is: 74,506.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,435.15 : 133,091.87 = 53,985.48 : x
  2. Step 2: Convert to fraction form
    96,435.15/133,091.87 = 53,985.48/x
  3. Step 3: Cross multiply
    96,435.15x = 133,091.87 × 53,985.48
  4. Step 4: Simplify right side
    96,435.15x = 7,185,028,486.05
  5. Step 5: Solve for x
    x = 7,185,028,486.05/96,435.15
  6. Step 6: Final answer
    x = 74,506.32

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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.