Home / 98,947.18-148,451.01-31,475.26

Finding the Fourth Proportional to 98,947.18, 148,451.01 and 31,475.26

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Solution

The fourth proportional to 98,947.18, 148,451.01 and 31,475.26 is: 47,222.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,947.18 : 148,451.01 = 31,475.26 : x
  2. Step 2: Convert to fraction form
    98,947.18/148,451.01 = 31,475.26/x
  3. Step 3: Cross multiply
    98,947.18x = 148,451.01 × 31,475.26
  4. Step 4: Simplify right side
    98,947.18x = 4,672,534,137.01
  5. Step 5: Solve for x
    x = 4,672,534,137.01/98,947.18
  6. Step 6: Final answer
    x = 47,222.51

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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.