Home / 98,832.96-148,281.84-39,638.16

Finding the Fourth Proportional to 98,832.96, 148,281.84 and 39,638.16

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Solution

The fourth proportional to 98,832.96, 148,281.84 and 39,638.16 is: 59,470.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,832.96 : 148,281.84 = 39,638.16 : x
  2. Step 2: Convert to fraction form
    98,832.96/148,281.84 = 39,638.16/x
  3. Step 3: Cross multiply
    98,832.96x = 148,281.84 × 39,638.16
  4. Step 4: Simplify right side
    98,832.96x = 5,877,619,299.01
  5. Step 5: Solve for x
    x = 5,877,619,299.01/98,832.96
  6. Step 6: Final answer
    x = 59,470.23

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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.