Home / 125,612.10-188,396.55-46,685.70

Finding the Fourth Proportional to 125,612.10, 188,396.55 and 46,685.70

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Solution

The fourth proportional to 125,612.10, 188,396.55 and 46,685.70 is: 70,020.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,612.10 : 188,396.55 = 46,685.70 : x
  2. Step 2: Convert to fraction form
    125,612.10/188,396.55 = 46,685.70/x
  3. Step 3: Cross multiply
    125,612.10x = 188,396.55 × 46,685.70
  4. Step 4: Simplify right side
    125,612.10x = 8,795,424,814.34
  5. Step 5: Solve for x
    x = 8,795,424,814.34/125,612.10
  6. Step 6: Final answer
    x = 70,020.52

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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.