Home / 97,916.64-135,114-55,466.08

Finding the Fourth Proportional to 97,916.64, 135,114 and 55,466.08

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Solution

The fourth proportional to 97,916.64, 135,114 and 55,466.08 is: 76,536.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,916.64 : 135,114 = 55,466.08 : x
  2. Step 2: Convert to fraction form
    97,916.64/135,114 = 55,466.08/x
  3. Step 3: Cross multiply
    97,916.64x = 135,114 × 55,466.08
  4. Step 4: Simplify right side
    97,916.64x = 7,494,243,933.12
  5. Step 5: Solve for x
    x = 7,494,243,933.12/97,916.64
  6. Step 6: Final answer
    x = 76,536.98

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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.