Home / 115,623.64-173,328.90-40,702.96

Finding the Fourth Proportional to 115,623.64, 173,328.90 and 40,702.96

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Solution

The fourth proportional to 115,623.64, 173,328.90 and 40,702.96 is: 61,016.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,623.64 : 173,328.90 = 40,702.96 : x
  2. Step 2: Convert to fraction form
    115,623.64/173,328.90 = 40,702.96/x
  3. Step 3: Cross multiply
    115,623.64x = 173,328.90 × 40,702.96
  4. Step 4: Simplify right side
    115,623.64x = 7,054,999,283.54
  5. Step 5: Solve for x
    x = 7,054,999,283.54/115,623.64
  6. Step 6: Final answer
    x = 61,016.93

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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.