Home / 97,359.12-134,361.86-54,916.74

Finding the Fourth Proportional to 97,359.12, 134,361.86 and 54,916.74

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Solution

The fourth proportional to 97,359.12, 134,361.86 and 54,916.74 is: 75,788.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,359.12 : 134,361.86 = 54,916.74 : x
  2. Step 2: Convert to fraction form
    97,359.12/134,361.86 = 54,916.74/x
  3. Step 3: Cross multiply
    97,359.12x = 134,361.86 × 54,916.74
  4. Step 4: Simplify right side
    97,359.12x = 7,378,715,056.95
  5. Step 5: Solve for x
    x = 7,378,715,056.95/97,359.12
  6. Step 6: Final answer
    x = 75,788.64

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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.