Home / 88,916.70-133,479.23-70,209.35

Finding the Fourth Proportional to 88,916.70, 133,479.23 and 70,209.35

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Solution

The fourth proportional to 88,916.70, 133,479.23 and 70,209.35 is: 105,396.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,916.70 : 133,479.23 = 70,209.35 : x
  2. Step 2: Convert to fraction form
    88,916.70/133,479.23 = 70,209.35/x
  3. Step 3: Cross multiply
    88,916.70x = 133,479.23 × 70,209.35
  4. Step 4: Simplify right side
    88,916.70x = 9,371,489,976.80
  5. Step 5: Solve for x
    x = 9,371,489,976.80/88,916.70
  6. Step 6: Final answer
    x = 105,396.29

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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.