Home / 96,971.12-133,821.96-56,688.32

Finding the Fourth Proportional to 96,971.12, 133,821.96 and 56,688.32

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Solution

The fourth proportional to 96,971.12, 133,821.96 and 56,688.32 is: 78,230.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,971.12 : 133,821.96 = 56,688.32 : x
  2. Step 2: Convert to fraction form
    96,971.12/133,821.96 = 56,688.32/x
  3. Step 3: Cross multiply
    96,971.12x = 133,821.96 × 56,688.32
  4. Step 4: Simplify right side
    96,971.12x = 7,586,142,091.51
  5. Step 5: Solve for x
    x = 7,586,142,091.51/96,971.12
  6. Step 6: Final answer
    x = 78,230.94

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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.