Home / 98,938.00-148,405.42-31,469.06

Finding the Fourth Proportional to 98,938.00, 148,405.42 and 31,469.06

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Solution

The fourth proportional to 98,938.00, 148,405.42 and 31,469.06 is: 47,203.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,938.00 : 148,405.42 = 31,469.06 : x
  2. Step 2: Convert to fraction form
    98,938.00/148,405.42 = 31,469.06/x
  3. Step 3: Cross multiply
    98,938.00x = 148,405.42 × 31,469.06
  4. Step 4: Simplify right side
    98,938.00x = 4,670,178,464.86
  5. Step 5: Solve for x
    x = 4,670,178,464.86/98,938.00
  6. Step 6: Final answer
    x = 47,203.08

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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.