Home / 56,832.89-78,427.67-31,339.24

Finding the Fourth Proportional to 56,832.89, 78,427.67 and 31,339.24

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Solution

The fourth proportional to 56,832.89, 78,427.67 and 31,339.24 is: 43,247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,832.89 : 78,427.67 = 31,339.24 : x
  2. Step 2: Convert to fraction form
    56,832.89/78,427.67 = 31,339.24/x
  3. Step 3: Cross multiply
    56,832.89x = 78,427.67 × 31,339.24
  4. Step 4: Simplify right side
    56,832.89x = 2,457,863,220.01
  5. Step 5: Solve for x
    x = 2,457,863,220.01/56,832.89
  6. Step 6: Final answer
    x = 43,247.20

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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.