Home / 112,733.21-169,019.73-56,532.78

Finding the Fourth Proportional to 112,733.21, 169,019.73 and 56,532.78

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Solution

The fourth proportional to 112,733.21, 169,019.73 and 56,532.78 is: 84,759.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,733.21 : 169,019.73 = 56,532.78 : x
  2. Step 2: Convert to fraction form
    112,733.21/169,019.73 = 56,532.78/x
  3. Step 3: Cross multiply
    112,733.21x = 169,019.73 × 56,532.78
  4. Step 4: Simplify right side
    112,733.21x = 9,555,155,211.75
  5. Step 5: Solve for x
    x = 9,555,155,211.75/112,733.21
  6. Step 6: Final answer
    x = 84,759.01

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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.