Home / 98,297.52-135,645.84-58,035.12

Finding the Fourth Proportional to 98,297.52, 135,645.84 and 58,035.12

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Solution

The fourth proportional to 98,297.52, 135,645.84 and 58,035.12 is: 80,085.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,297.52 : 135,645.84 = 58,035.12 : x
  2. Step 2: Convert to fraction form
    98,297.52/135,645.84 = 58,035.12/x
  3. Step 3: Cross multiply
    98,297.52x = 135,645.84 × 58,035.12
  4. Step 4: Simplify right side
    98,297.52x = 7,872,222,601.90
  5. Step 5: Solve for x
    x = 7,872,222,601.90/98,297.52
  6. Step 6: Final answer
    x = 80,085.67

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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.