Home / 76,137.58-114,337.05-46,728.10

Finding the Fourth Proportional to 76,137.58, 114,337.05 and 46,728.10

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Solution

The fourth proportional to 76,137.58, 114,337.05 and 46,728.10 is: 70,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,137.58 : 114,337.05 = 46,728.10 : x
  2. Step 2: Convert to fraction form
    76,137.58/114,337.05 = 46,728.10/x
  3. Step 3: Cross multiply
    76,137.58x = 114,337.05 × 46,728.10
  4. Step 4: Simplify right side
    76,137.58x = 5,342,753,106.11
  5. Step 5: Solve for x
    x = 5,342,753,106.11/76,137.58
  6. Step 6: Final answer
    x = 70,172.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.