Home / 98,775.19-136,309.75-53,453.17

Finding the Fourth Proportional to 98,775.19, 136,309.75 and 53,453.17

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Solution

The fourth proportional to 98,775.19, 136,309.75 and 53,453.17 is: 73,765.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,775.19 : 136,309.75 = 53,453.17 : x
  2. Step 2: Convert to fraction form
    98,775.19/136,309.75 = 53,453.17/x
  3. Step 3: Cross multiply
    98,775.19x = 136,309.75 × 53,453.17
  4. Step 4: Simplify right side
    98,775.19x = 7,286,187,765.00
  5. Step 5: Solve for x
    x = 7,286,187,765.00/98,775.19
  6. Step 6: Final answer
    x = 73,765.37

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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.