Home / 108,290.62-149,436.70-59,889.38

Finding the Fourth Proportional to 108,290.62, 149,436.70 and 59,889.38

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Solution

The fourth proportional to 108,290.62, 149,436.70 and 59,889.38 is: 82,644.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,290.62 : 149,436.70 = 59,889.38 : x
  2. Step 2: Convert to fraction form
    108,290.62/149,436.70 = 59,889.38/x
  3. Step 3: Cross multiply
    108,290.62x = 149,436.70 × 59,889.38
  4. Step 4: Simplify right side
    108,290.62x = 8,949,670,415.34
  5. Step 5: Solve for x
    x = 8,949,670,415.34/108,290.62
  6. Step 6: Final answer
    x = 82,644.93

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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.