Home / 97,836.42-135,038.43-55,419.96

Finding the Fourth Proportional to 97,836.42, 135,038.43 and 55,419.96

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Solution

The fourth proportional to 97,836.42, 135,038.43 and 55,419.96 is: 76,493.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,836.42 : 135,038.43 = 55,419.96 : x
  2. Step 2: Convert to fraction form
    97,836.42/135,038.43 = 55,419.96/x
  3. Step 3: Cross multiply
    97,836.42x = 135,038.43 × 55,419.96
  4. Step 4: Simplify right side
    97,836.42x = 7,483,824,389.06
  5. Step 5: Solve for x
    x = 7,483,824,389.06/97,836.42
  6. Step 6: Final answer
    x = 76,493.24

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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.