Home / 88,575.50-122,234.20-56,744.40

Finding the Fourth Proportional to 88,575.50, 122,234.20 and 56,744.40

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Solution

The fourth proportional to 88,575.50, 122,234.20 and 56,744.40 is: 78,307.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,575.50 : 122,234.20 = 56,744.40 : x
  2. Step 2: Convert to fraction form
    88,575.50/122,234.20 = 56,744.40/x
  3. Step 3: Cross multiply
    88,575.50x = 122,234.20 × 56,744.40
  4. Step 4: Simplify right side
    88,575.50x = 6,936,106,338.48
  5. Step 5: Solve for x
    x = 6,936,106,338.48/88,575.50
  6. Step 6: Final answer
    x = 78,307.28

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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.