Home / 98,867.56-148,331.58-28,747.48

Finding the Fourth Proportional to 98,867.56, 148,331.58 and 28,747.48

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Solution

The fourth proportional to 98,867.56, 148,331.58 and 28,747.48 is: 43,130.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,867.56 : 148,331.58 = 28,747.48 : x
  2. Step 2: Convert to fraction form
    98,867.56/148,331.58 = 28,747.48/x
  3. Step 3: Cross multiply
    98,867.56x = 148,331.58 × 28,747.48
  4. Step 4: Simplify right side
    98,867.56x = 4,264,159,129.42
  5. Step 5: Solve for x
    x = 4,264,159,129.42/98,867.56
  6. Step 6: Final answer
    x = 43,130.01

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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.