Home / 56,937.34-78,573.54-31,786.84

Finding the Fourth Proportional to 56,937.34, 78,573.54 and 31,786.84

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Solution

The fourth proportional to 56,937.34, 78,573.54 and 31,786.84 is: 43,865.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,937.34 : 78,573.54 = 31,786.84 : x
  2. Step 2: Convert to fraction form
    56,937.34/78,573.54 = 31,786.84/x
  3. Step 3: Cross multiply
    56,937.34x = 78,573.54 × 31,786.84
  4. Step 4: Simplify right side
    56,937.34x = 2,497,604,544.21
  5. Step 5: Solve for x
    x = 2,497,604,544.21/56,937.34
  6. Step 6: Final answer
    x = 43,865.85

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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.