Home / 88,506.34-122,139.67-48,220.09

Finding the Fourth Proportional to 88,506.34, 122,139.67 and 48,220.09

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Solution

The fourth proportional to 88,506.34, 122,139.67 and 48,220.09 is: 66,544.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,506.34 : 122,139.67 = 48,220.09 : x
  2. Step 2: Convert to fraction form
    88,506.34/122,139.67 = 48,220.09/x
  3. Step 3: Cross multiply
    88,506.34x = 122,139.67 × 48,220.09
  4. Step 4: Simplify right side
    88,506.34x = 5,889,585,638.87
  5. Step 5: Solve for x
    x = 5,889,585,638.87/88,506.34
  6. Step 6: Final answer
    x = 66,544.22

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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.