Home / 98,823.81-136,375.87-53,500.59

Finding the Fourth Proportional to 98,823.81, 136,375.87 and 53,500.59

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Solution

The fourth proportional to 98,823.81, 136,375.87 and 53,500.59 is: 73,830.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,823.81 : 136,375.87 = 53,500.59 : x
  2. Step 2: Convert to fraction form
    98,823.81/136,375.87 = 53,500.59/x
  3. Step 3: Cross multiply
    98,823.81x = 136,375.87 × 53,500.59
  4. Step 4: Simplify right side
    98,823.81x = 7,296,189,506.76
  5. Step 5: Solve for x
    x = 7,296,189,506.76/98,823.81
  6. Step 6: Final answer
    x = 73,830.28

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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.