Home / 112,910.16-169,343.63-56,734.71

Finding the Fourth Proportional to 112,910.16, 169,343.63 and 56,734.71

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Solution

The fourth proportional to 112,910.16, 169,343.63 and 56,734.71 is: 85,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,910.16 : 169,343.63 = 56,734.71 : x
  2. Step 2: Convert to fraction form
    112,910.16/169,343.63 = 56,734.71/x
  3. Step 3: Cross multiply
    112,910.16x = 169,343.63 × 56,734.71
  4. Step 4: Simplify right side
    112,910.16x = 9,607,661,454.72
  5. Step 5: Solve for x
    x = 9,607,661,454.72/112,910.16
  6. Step 6: Final answer
    x = 85,091.20

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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.