Home / 98,823.71-136,376.69-53,501.67

Finding the Fourth Proportional to 98,823.71, 136,376.69 and 53,501.67

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Solution

The fourth proportional to 98,823.71, 136,376.69 and 53,501.67 is: 73,832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,823.71 : 136,376.69 = 53,501.67 : x
  2. Step 2: Convert to fraction form
    98,823.71/136,376.69 = 53,501.67/x
  3. Step 3: Cross multiply
    98,823.71x = 136,376.69 × 53,501.67
  4. Step 4: Simplify right side
    98,823.71x = 7,296,380,396.56
  5. Step 5: Solve for x
    x = 7,296,380,396.56/98,823.71
  6. Step 6: Final answer
    x = 73,832.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.