Home / 97,763.27-134,915.36-55,321.79

Finding the Fourth Proportional to 97,763.27, 134,915.36 and 55,321.79

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Solution

The fourth proportional to 97,763.27, 134,915.36 and 55,321.79 is: 76,345.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,763.27 : 134,915.36 = 55,321.79 : x
  2. Step 2: Convert to fraction form
    97,763.27/134,915.36 = 55,321.79/x
  3. Step 3: Cross multiply
    97,763.27x = 134,915.36 × 55,321.79
  4. Step 4: Simplify right side
    97,763.27x = 7,463,758,262.51
  5. Step 5: Solve for x
    x = 7,463,758,262.51/97,763.27
  6. Step 6: Final answer
    x = 76,345.22

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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.