Home / 104,582.16-156,785.12-45,373.28

Finding the Fourth Proportional to 104,582.16, 156,785.12 and 45,373.28

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Solution

The fourth proportional to 104,582.16, 156,785.12 and 45,373.28 is: 68,021.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,582.16 : 156,785.12 = 45,373.28 : x
  2. Step 2: Convert to fraction form
    104,582.16/156,785.12 = 45,373.28/x
  3. Step 3: Cross multiply
    104,582.16x = 156,785.12 × 45,373.28
  4. Step 4: Simplify right side
    104,582.16x = 7,113,855,149.59
  5. Step 5: Solve for x
    x = 7,113,855,149.59/104,582.16
  6. Step 6: Final answer
    x = 68,021.69

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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.