Home / 94,005.16-129,745.60-53,715.15

Finding the Fourth Proportional to 94,005.16, 129,745.60 and 53,715.15

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Solution

The fourth proportional to 94,005.16, 129,745.60 and 53,715.15 is: 74,137.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,005.16 : 129,745.60 = 53,715.15 : x
  2. Step 2: Convert to fraction form
    94,005.16/129,745.60 = 53,715.15/x
  3. Step 3: Cross multiply
    94,005.16x = 129,745.60 × 53,715.15
  4. Step 4: Simplify right side
    94,005.16x = 6,969,304,231.55
  5. Step 5: Solve for x
    x = 6,969,304,231.55/94,005.16
  6. Step 6: Final answer
    x = 74,137.47

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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.