Home / 98,913.51-136,500.66-53,591.79

Finding the Fourth Proportional to 98,913.51, 136,500.66 and 53,591.79

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Solution

The fourth proportional to 98,913.51, 136,500.66 and 53,591.79 is: 73,956.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,913.51 : 136,500.66 = 53,591.79 : x
  2. Step 2: Convert to fraction form
    98,913.51/136,500.66 = 53,591.79/x
  3. Step 3: Cross multiply
    98,913.51x = 136,500.66 × 53,591.79
  4. Step 4: Simplify right side
    98,913.51x = 7,315,314,705.58
  5. Step 5: Solve for x
    x = 7,315,314,705.58/98,913.51
  6. Step 6: Final answer
    x = 73,956.68

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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.