Home / 77,592.10-116,385.84-21,435.58

Finding the Fourth Proportional to 77,592.10, 116,385.84 and 21,435.58

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Solution

The fourth proportional to 77,592.10, 116,385.84 and 21,435.58 is: 32,152.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,592.10 : 116,385.84 = 21,435.58 : x
  2. Step 2: Convert to fraction form
    77,592.10/116,385.84 = 21,435.58/x
  3. Step 3: Cross multiply
    77,592.10x = 116,385.84 × 21,435.58
  4. Step 4: Simplify right side
    77,592.10x = 2,494,797,984.19
  5. Step 5: Solve for x
    x = 2,494,797,984.19/77,592.10
  6. Step 6: Final answer
    x = 32,152.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.