Home / 94,520.39-130,438.03-52,078.91

Finding the Fourth Proportional to 94,520.39, 130,438.03 and 52,078.91

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Solution

The fourth proportional to 94,520.39, 130,438.03 and 52,078.91 is: 71,868.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,520.39 : 130,438.03 = 52,078.91 : x
  2. Step 2: Convert to fraction form
    94,520.39/130,438.03 = 52,078.91/x
  3. Step 3: Cross multiply
    94,520.39x = 130,438.03 × 52,078.91
  4. Step 4: Simplify right side
    94,520.39x = 6,793,070,424.95
  5. Step 5: Solve for x
    x = 6,793,070,424.95/94,520.39
  6. Step 6: Final answer
    x = 71,868.84

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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.