Home / 125,898.16-188,847.68-47,011.56

Finding the Fourth Proportional to 125,898.16, 188,847.68 and 47,011.56

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Solution

The fourth proportional to 125,898.16, 188,847.68 and 47,011.56 is: 70,517.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,898.16 : 188,847.68 = 47,011.56 : x
  2. Step 2: Convert to fraction form
    125,898.16/188,847.68 = 47,011.56/x
  3. Step 3: Cross multiply
    125,898.16x = 188,847.68 × 47,011.56
  4. Step 4: Simplify right side
    125,898.16x = 8,878,024,039.18
  5. Step 5: Solve for x
    x = 8,878,024,039.18/125,898.16
  6. Step 6: Final answer
    x = 70,517.50

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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.