Home / 98,281.89-135,628.83-53,569.89

Finding the Fourth Proportional to 98,281.89, 135,628.83 and 53,569.89

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Solution

The fourth proportional to 98,281.89, 135,628.83 and 53,569.89 is: 73,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,281.89 : 135,628.83 = 53,569.89 : x
  2. Step 2: Convert to fraction form
    98,281.89/135,628.83 = 53,569.89/x
  3. Step 3: Cross multiply
    98,281.89x = 135,628.83 × 53,569.89
  4. Step 4: Simplify right side
    98,281.89x = 7,265,621,503.93
  5. Step 5: Solve for x
    x = 7,265,621,503.93/98,281.89
  6. Step 6: Final answer
    x = 73,926.35

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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.