Home / 98,778.48-136,313.26-53,455.48

Finding the Fourth Proportional to 98,778.48, 136,313.26 and 53,455.48

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Solution

The fourth proportional to 98,778.48, 136,313.26 and 53,455.48 is: 73,768.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,778.48 : 136,313.26 = 53,455.48 : x
  2. Step 2: Convert to fraction form
    98,778.48/136,313.26 = 53,455.48/x
  3. Step 3: Cross multiply
    98,778.48x = 136,313.26 × 53,455.48
  4. Step 4: Simplify right side
    98,778.48x = 7,286,690,743.66
  5. Step 5: Solve for x
    x = 7,286,690,743.66/98,778.48
  6. Step 6: Final answer
    x = 73,768.00

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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.