Home / 98,640.89-147,998.57-59,225.48

Finding the Fourth Proportional to 98,640.89, 147,998.57 and 59,225.48

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Solution

The fourth proportional to 98,640.89, 147,998.57 and 59,225.48 is: 88,860.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,640.89 : 147,998.57 = 59,225.48 : x
  2. Step 2: Convert to fraction form
    98,640.89/147,998.57 = 59,225.48/x
  3. Step 3: Cross multiply
    98,640.89x = 147,998.57 × 59,225.48
  4. Step 4: Simplify right side
    98,640.89x = 8,765,285,755.63
  5. Step 5: Solve for x
    x = 8,765,285,755.63/98,640.89
  6. Step 6: Final answer
    x = 88,860.57

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1.5x scale

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.