Home / 88,461.21-122,193.28-65,537.57

Finding the Fourth Proportional to 88,461.21, 122,193.28 and 65,537.57

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Solution

The fourth proportional to 88,461.21, 122,193.28 and 65,537.57 is: 90,528.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,461.21 : 122,193.28 = 65,537.57 : x
  2. Step 2: Convert to fraction form
    88,461.21/122,193.28 = 65,537.57/x
  3. Step 3: Cross multiply
    88,461.21x = 122,193.28 × 65,537.57
  4. Step 4: Simplify right side
    88,461.21x = 8,008,249,702.88
  5. Step 5: Solve for x
    x = 8,008,249,702.88/88,461.21
  6. Step 6: Final answer
    x = 90,528.38

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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.