Home / 46,879.72-70,457.82-31,389.16

Finding the Fourth Proportional to 46,879.72, 70,457.82 and 31,389.16

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Solution

The fourth proportional to 46,879.72, 70,457.82 and 31,389.16 is: 47,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,879.72 : 70,457.82 = 31,389.16 : x
  2. Step 2: Convert to fraction form
    46,879.72/70,457.82 = 31,389.16/x
  3. Step 3: Cross multiply
    46,879.72x = 70,457.82 × 31,389.16
  4. Step 4: Simplify right side
    46,879.72x = 2,211,611,785.23
  5. Step 5: Solve for x
    x = 2,211,611,785.23/46,879.72
  6. Step 6: Final answer
    x = 47,176.30

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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.