Home / 110,982.03-153,120.30-67,916.63

Finding the Fourth Proportional to 110,982.03, 153,120.30 and 67,916.63

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Solution

The fourth proportional to 110,982.03, 153,120.30 and 67,916.63 is: 93,703.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,982.03 : 153,120.30 = 67,916.63 : x
  2. Step 2: Convert to fraction form
    110,982.03/153,120.30 = 67,916.63/x
  3. Step 3: Cross multiply
    110,982.03x = 153,120.30 × 67,916.63
  4. Step 4: Simplify right side
    110,982.03x = 10,399,413,994.99
  5. Step 5: Solve for x
    x = 10,399,413,994.99/110,982.03
  6. Step 6: Final answer
    x = 93,703.58

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1.5x scale

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.