Home / 56,584.19-78,056.90-38,435.85

Finding the Fourth Proportional to 56,584.19, 78,056.90 and 38,435.85

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Solution

The fourth proportional to 56,584.19, 78,056.90 and 38,435.85 is: 53,021.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,584.19 : 78,056.90 = 38,435.85 : x
  2. Step 2: Convert to fraction form
    56,584.19/78,056.90 = 38,435.85/x
  3. Step 3: Cross multiply
    56,584.19x = 78,056.90 × 38,435.85
  4. Step 4: Simplify right side
    56,584.19x = 3,000,183,468.02
  5. Step 5: Solve for x
    x = 3,000,183,468.02/56,584.19
  6. Step 6: Final answer
    x = 53,021.58

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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.