Home / 56,731.16-78,283.59-31,237.22

Finding the Fourth Proportional to 56,731.16, 78,283.59 and 31,237.22

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Solution

The fourth proportional to 56,731.16, 78,283.59 and 31,237.22 is: 43,104.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,731.16 : 78,283.59 = 31,237.22 : x
  2. Step 2: Convert to fraction form
    56,731.16/78,283.59 = 31,237.22/x
  3. Step 3: Cross multiply
    56,731.16x = 78,283.59 × 31,237.22
  4. Step 4: Simplify right side
    56,731.16x = 2,445,361,723.22
  5. Step 5: Solve for x
    x = 2,445,361,723.22/56,731.16
  6. Step 6: Final answer
    x = 43,104.38

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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.