Home / 88,728.98-122,445.36-48,442.74

Finding the Fourth Proportional to 88,728.98, 122,445.36 and 48,442.74

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Solution

The fourth proportional to 88,728.98, 122,445.36 and 48,442.74 is: 66,850.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,728.98 : 122,445.36 = 48,442.74 : x
  2. Step 2: Convert to fraction form
    88,728.98/122,445.36 = 48,442.74/x
  3. Step 3: Cross multiply
    88,728.98x = 122,445.36 × 48,442.74
  4. Step 4: Simplify right side
    88,728.98x = 5,931,588,738.69
  5. Step 5: Solve for x
    x = 5,931,588,738.69/88,728.98
  6. Step 6: Final answer
    x = 66,850.64

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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.