Home / 97,680.96-134,802.66-55,238.64

Finding the Fourth Proportional to 97,680.96, 134,802.66 and 55,238.64

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Solution

The fourth proportional to 97,680.96, 134,802.66 and 55,238.64 is: 76,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,680.96 : 134,802.66 = 55,238.64 : x
  2. Step 2: Convert to fraction form
    97,680.96/134,802.66 = 55,238.64/x
  3. Step 3: Cross multiply
    97,680.96x = 134,802.66 × 55,238.64
  4. Step 4: Simplify right side
    97,680.96x = 7,446,315,606.78
  5. Step 5: Solve for x
    x = 7,446,315,606.78/97,680.96
  6. Step 6: Final answer
    x = 76,230.98

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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.