Home / 125,615.10-188,401.05-46,688.70

Finding the Fourth Proportional to 125,615.10, 188,401.05 and 46,688.70

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Solution

The fourth proportional to 125,615.10, 188,401.05 and 46,688.70 is: 70,025.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,615.10 : 188,401.05 = 46,688.70 : x
  2. Step 2: Convert to fraction form
    125,615.10/188,401.05 = 46,688.70/x
  3. Step 3: Cross multiply
    125,615.10x = 188,401.05 × 46,688.70
  4. Step 4: Simplify right side
    125,615.10x = 8,796,200,103.14
  5. Step 5: Solve for x
    x = 8,796,200,103.14/125,615.10
  6. Step 6: Final answer
    x = 70,025.02

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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.