Home / 98,577.46-136,039.71-54,971.02

Finding the Fourth Proportional to 98,577.46, 136,039.71 and 54,971.02

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Solution

The fourth proportional to 98,577.46, 136,039.71 and 54,971.02 is: 75,861.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,577.46 : 136,039.71 = 54,971.02 : x
  2. Step 2: Convert to fraction form
    98,577.46/136,039.71 = 54,971.02/x
  3. Step 3: Cross multiply
    98,577.46x = 136,039.71 × 54,971.02
  4. Step 4: Simplify right side
    98,577.46x = 7,478,241,619.20
  5. Step 5: Solve for x
    x = 7,478,241,619.20/98,577.46
  6. Step 6: Final answer
    x = 75,861.58

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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.