Home / 97,063.20-133,941.60-54,619.20

Finding the Fourth Proportional to 97,063.20, 133,941.60 and 54,619.20

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Solution

The fourth proportional to 97,063.20, 133,941.60 and 54,619.20 is: 75,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,063.20 : 133,941.60 = 54,619.20 : x
  2. Step 2: Convert to fraction form
    97,063.20/133,941.60 = 54,619.20/x
  3. Step 3: Cross multiply
    97,063.20x = 133,941.60 × 54,619.20
  4. Step 4: Simplify right side
    97,063.20x = 7,315,783,038.72
  5. Step 5: Solve for x
    x = 7,315,783,038.72/97,063.20
  6. Step 6: Final answer
    x = 75,371.34

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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.