Home / 98,818.88-136,370.10-53,496.86

Finding the Fourth Proportional to 98,818.88, 136,370.10 and 53,496.86

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Solution

The fourth proportional to 98,818.88, 136,370.10 and 53,496.86 is: 73,825.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,818.88 : 136,370.10 = 53,496.86 : x
  2. Step 2: Convert to fraction form
    98,818.88/136,370.10 = 53,496.86/x
  3. Step 3: Cross multiply
    98,818.88x = 136,370.10 × 53,496.86
  4. Step 4: Simplify right side
    98,818.88x = 7,295,371,466.04
  5. Step 5: Solve for x
    x = 7,295,371,466.04/98,818.88
  6. Step 6: Final answer
    x = 73,825.69

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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.