Home / 98,513.37-135,840.33-66,626.91

Finding the Fourth Proportional to 98,513.37, 135,840.33 and 66,626.91

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Solution

The fourth proportional to 98,513.37, 135,840.33 and 66,626.91 is: 91,872.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,513.37 : 135,840.33 = 66,626.91 : x
  2. Step 2: Convert to fraction form
    98,513.37/135,840.33 = 66,626.91/x
  3. Step 3: Cross multiply
    98,513.37x = 135,840.33 × 66,626.91
  4. Step 4: Simplify right side
    98,513.37x = 9,050,621,441.28
  5. Step 5: Solve for x
    x = 9,050,621,441.28/98,513.37
  6. Step 6: Final answer
    x = 91,872.01

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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.