Home / 97,971.03-135,010.46-66,084.57

Finding the Fourth Proportional to 97,971.03, 135,010.46 and 66,084.57

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Solution

The fourth proportional to 97,971.03, 135,010.46 and 66,084.57 is: 91,068.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,971.03 : 135,010.46 = 66,084.57 : x
  2. Step 2: Convert to fraction form
    97,971.03/135,010.46 = 66,084.57/x
  3. Step 3: Cross multiply
    97,971.03x = 135,010.46 × 66,084.57
  4. Step 4: Simplify right side
    97,971.03x = 8,922,108,359.81
  5. Step 5: Solve for x
    x = 8,922,108,359.81/97,971.03
  6. Step 6: Final answer
    x = 91,068.84

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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.