Home / 76,295.08-114,315.90-53,998.12

Finding the Fourth Proportional to 76,295.08, 114,315.90 and 53,998.12

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Solution

The fourth proportional to 76,295.08, 114,315.90 and 53,998.12 is: 80,907.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,295.08 : 114,315.90 = 53,998.12 : x
  2. Step 2: Convert to fraction form
    76,295.08/114,315.90 = 53,998.12/x
  3. Step 3: Cross multiply
    76,295.08x = 114,315.90 × 53,998.12
  4. Step 4: Simplify right side
    76,295.08x = 6,172,843,686.11
  5. Step 5: Solve for x
    x = 6,172,843,686.11/76,295.08
  6. Step 6: Final answer
    x = 80,907.49

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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.