Home / 88,790.20-122,416.14-63,325.60

Finding the Fourth Proportional to 88,790.20, 122,416.14 and 63,325.60

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Solution

The fourth proportional to 88,790.20, 122,416.14 and 63,325.60 is: 87,307.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,790.20 : 122,416.14 = 63,325.60 : x
  2. Step 2: Convert to fraction form
    88,790.20/122,416.14 = 63,325.60/x
  3. Step 3: Cross multiply
    88,790.20x = 122,416.14 × 63,325.60
  4. Step 4: Simplify right side
    88,790.20x = 7,752,075,515.18
  5. Step 5: Solve for x
    x = 7,752,075,515.18/88,790.20
  6. Step 6: Final answer
    x = 87,307.78

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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.