Home / 102,617.81-141,611.24-57,296.57

Finding the Fourth Proportional to 102,617.81, 141,611.24 and 57,296.57

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Solution

The fourth proportional to 102,617.81, 141,611.24 and 57,296.57 is: 79,068.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,617.81 : 141,611.24 = 57,296.57 : x
  2. Step 2: Convert to fraction form
    102,617.81/141,611.24 = 57,296.57/x
  3. Step 3: Cross multiply
    102,617.81x = 141,611.24 × 57,296.57
  4. Step 4: Simplify right side
    102,617.81x = 8,113,838,325.45
  5. Step 5: Solve for x
    x = 8,113,838,325.45/102,617.81
  6. Step 6: Final answer
    x = 79,068.52

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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.