Home / 77,823.30-107,391.75-45,995.16

Finding the Fourth Proportional to 77,823.30, 107,391.75 and 45,995.16

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Solution

The fourth proportional to 77,823.30, 107,391.75 and 45,995.16 is: 63,470.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,823.30 : 107,391.75 = 45,995.16 : x
  2. Step 2: Convert to fraction form
    77,823.30/107,391.75 = 45,995.16/x
  3. Step 3: Cross multiply
    77,823.30x = 107,391.75 × 45,995.16
  4. Step 4: Simplify right side
    77,823.30x = 4,939,500,723.93
  5. Step 5: Solve for x
    x = 4,939,500,723.93/77,823.30
  6. Step 6: Final answer
    x = 63,470.72

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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.