Home / 56,693.10-78,247.31-37,539.09

Finding the Fourth Proportional to 56,693.10, 78,247.31 and 37,539.09

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Solution

The fourth proportional to 56,693.10, 78,247.31 and 37,539.09 is: 51,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,693.10 : 78,247.31 = 37,539.09 : x
  2. Step 2: Convert to fraction form
    56,693.10/78,247.31 = 37,539.09/x
  3. Step 3: Cross multiply
    56,693.10x = 78,247.31 × 37,539.09
  4. Step 4: Simplify right side
    56,693.10x = 2,937,332,624.65
  5. Step 5: Solve for x
    x = 2,937,332,624.65/56,693.10
  6. Step 6: Final answer
    x = 51,811.11

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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.