Home / 76,029.12-104,810.40-52,117.92

Finding the Fourth Proportional to 76,029.12, 104,810.40 and 52,117.92

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Solution

The fourth proportional to 76,029.12, 104,810.40 and 52,117.92 is: 71,847.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,029.12 : 104,810.40 = 52,117.92 : x
  2. Step 2: Convert to fraction form
    76,029.12/104,810.40 = 52,117.92/x
  3. Step 3: Cross multiply
    76,029.12x = 104,810.40 × 52,117.92
  4. Step 4: Simplify right side
    76,029.12x = 5,462,500,042.37
  5. Step 5: Solve for x
    x = 5,462,500,042.37/76,029.12
  6. Step 6: Final answer
    x = 71,847.47

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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.