Home / 88,325.40-132,315.30-53,160.60

Finding the Fourth Proportional to 88,325.40, 132,315.30 and 53,160.60

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Solution

The fourth proportional to 88,325.40, 132,315.30 and 53,160.60 is: 79,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,325.40 : 132,315.30 = 53,160.60 : x
  2. Step 2: Convert to fraction form
    88,325.40/132,315.30 = 53,160.60/x
  3. Step 3: Cross multiply
    88,325.40x = 132,315.30 × 53,160.60
  4. Step 4: Simplify right side
    88,325.40x = 7,033,960,737.18
  5. Step 5: Solve for x
    x = 7,033,960,737.18/88,325.40
  6. Step 6: Final answer
    x = 79,636.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.