Home / 56,927.98-78,560.49-31,777.48

Finding the Fourth Proportional to 56,927.98, 78,560.49 and 31,777.48

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Solution

The fourth proportional to 56,927.98, 78,560.49 and 31,777.48 is: 43,852.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,927.98 : 78,560.49 = 31,777.48 : x
  2. Step 2: Convert to fraction form
    56,927.98/78,560.49 = 31,777.48/x
  3. Step 3: Cross multiply
    56,927.98x = 78,560.49 × 31,777.48
  4. Step 4: Simplify right side
    56,927.98x = 2,496,454,399.77
  5. Step 5: Solve for x
    x = 2,496,454,399.77/56,927.98
  6. Step 6: Final answer
    x = 43,852.85

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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.