Home / 56,689.94-78,232.83-31,199.24

Finding the Fourth Proportional to 56,689.94, 78,232.83 and 31,199.24

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Solution

The fourth proportional to 56,689.94, 78,232.83 and 31,199.24 is: 43,055.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,689.94 : 78,232.83 = 31,199.24 : x
  2. Step 2: Convert to fraction form
    56,689.94/78,232.83 = 31,199.24/x
  3. Step 3: Cross multiply
    56,689.94x = 78,232.83 × 31,199.24
  4. Step 4: Simplify right side
    56,689.94x = 2,440,804,447.89
  5. Step 5: Solve for x
    x = 2,440,804,447.89/56,689.94
  6. Step 6: Final answer
    x = 43,055.34

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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.