Home / 98,749.39-136,274.01-53,427.22

Finding the Fourth Proportional to 98,749.39, 136,274.01 and 53,427.22

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Solution

The fourth proportional to 98,749.39, 136,274.01 and 53,427.22 is: 73,729.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,749.39 : 136,274.01 = 53,427.22 : x
  2. Step 2: Convert to fraction form
    98,749.39/136,274.01 = 53,427.22/x
  3. Step 3: Cross multiply
    98,749.39x = 136,274.01 × 53,427.22
  4. Step 4: Simplify right side
    98,749.39x = 7,280,741,512.55
  5. Step 5: Solve for x
    x = 7,280,741,512.55/98,749.39
  6. Step 6: Final answer
    x = 73,729.48

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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.