Home / 98,732.45-136,250.17-53,410.25

Finding the Fourth Proportional to 98,732.45, 136,250.17 and 53,410.25

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Solution

The fourth proportional to 98,732.45, 136,250.17 and 53,410.25 is: 73,705.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,732.45 : 136,250.17 = 53,410.25 : x
  2. Step 2: Convert to fraction form
    98,732.45/136,250.17 = 53,410.25/x
  3. Step 3: Cross multiply
    98,732.45x = 136,250.17 × 53,410.25
  4. Step 4: Simplify right side
    98,732.45x = 7,277,155,849.34
  5. Step 5: Solve for x
    x = 7,277,155,849.34/98,732.45
  6. Step 6: Final answer
    x = 73,705.81

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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.