Home / 77,020.08-106,287.66-46,815.12

Finding the Fourth Proportional to 77,020.08, 106,287.66 and 46,815.12

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Solution

The fourth proportional to 77,020.08, 106,287.66 and 46,815.12 is: 64,604.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,020.08 : 106,287.66 = 46,815.12 : x
  2. Step 2: Convert to fraction form
    77,020.08/106,287.66 = 46,815.12/x
  3. Step 3: Cross multiply
    77,020.08x = 106,287.66 × 46,815.12
  4. Step 4: Simplify right side
    77,020.08x = 4,975,869,557.42
  5. Step 5: Solve for x
    x = 4,975,869,557.42/77,020.08
  6. Step 6: Final answer
    x = 64,604.83

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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.