Home / 76,829.24-106,016.58-42,834.51

Finding the Fourth Proportional to 76,829.24, 106,016.58 and 42,834.51

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Solution

The fourth proportional to 76,829.24, 106,016.58 and 42,834.51 is: 59,107.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,829.24 : 106,016.58 = 42,834.51 : x
  2. Step 2: Convert to fraction form
    76,829.24/106,016.58 = 42,834.51/x
  3. Step 3: Cross multiply
    76,829.24x = 106,016.58 × 42,834.51
  4. Step 4: Simplify right side
    76,829.24x = 4,541,168,256.18
  5. Step 5: Solve for x
    x = 4,541,168,256.18/76,829.24
  6. Step 6: Final answer
    x = 59,107.29

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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.