Home / 101,403.40-152,054.32-31,273.60

Finding the Fourth Proportional to 101,403.40, 152,054.32 and 31,273.60

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Solution

The fourth proportional to 101,403.40, 152,054.32 and 31,273.60 is: 46,894.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,403.40 : 152,054.32 = 31,273.60 : x
  2. Step 2: Convert to fraction form
    101,403.40/152,054.32 = 31,273.60/x
  3. Step 3: Cross multiply
    101,403.40x = 152,054.32 × 31,273.60
  4. Step 4: Simplify right side
    101,403.40x = 4,755,285,981.95
  5. Step 5: Solve for x
    x = 4,755,285,981.95/101,403.40
  6. Step 6: Final answer
    x = 46,894.74

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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.