Home / 84,651.12-116,830.35-48,840.48

Finding the Fourth Proportional to 84,651.12, 116,830.35 and 48,840.48

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Solution

The fourth proportional to 84,651.12, 116,830.35 and 48,840.48 is: 67,406.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,651.12 : 116,830.35 = 48,840.48 : x
  2. Step 2: Convert to fraction form
    84,651.12/116,830.35 = 48,840.48/x
  3. Step 3: Cross multiply
    84,651.12x = 116,830.35 × 48,840.48
  4. Step 4: Simplify right side
    84,651.12x = 5,706,050,372.57
  5. Step 5: Solve for x
    x = 5,706,050,372.57/84,651.12
  6. Step 6: Final answer
    x = 67,406.67

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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.