Home / 98,823.72-136,376.57-53,501.69

Finding the Fourth Proportional to 98,823.72, 136,376.57 and 53,501.69

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Solution

The fourth proportional to 98,823.72, 136,376.57 and 53,501.69 is: 73,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,823.72 : 136,376.57 = 53,501.69 : x
  2. Step 2: Convert to fraction form
    98,823.72/136,376.57 = 53,501.69/x
  3. Step 3: Cross multiply
    98,823.72x = 136,376.57 × 53,501.69
  4. Step 4: Simplify right side
    98,823.72x = 7,296,376,022.01
  5. Step 5: Solve for x
    x = 7,296,376,022.01/98,823.72
  6. Step 6: Final answer
    x = 73,832.23

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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.