Home / 98,161.07-135,458.58-59,984.45

Finding the Fourth Proportional to 98,161.07, 135,458.58 and 59,984.45

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Solution

The fourth proportional to 98,161.07, 135,458.58 and 59,984.45 is: 82,776.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,161.07 : 135,458.58 = 59,984.45 : x
  2. Step 2: Convert to fraction form
    98,161.07/135,458.58 = 59,984.45/x
  3. Step 3: Cross multiply
    98,161.07x = 135,458.58 × 59,984.45
  4. Step 4: Simplify right side
    98,161.07x = 8,125,408,137.29
  5. Step 5: Solve for x
    x = 8,125,408,137.29/98,161.07
  6. Step 6: Final answer
    x = 82,776.28

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1.5x scale

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.