Home / 77,695.29-107,180.69-49,050.45

Finding the Fourth Proportional to 77,695.29, 107,180.69 and 49,050.45

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Solution

The fourth proportional to 77,695.29, 107,180.69 and 49,050.45 is: 67,665.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,695.29 : 107,180.69 = 49,050.45 : x
  2. Step 2: Convert to fraction form
    77,695.29/107,180.69 = 49,050.45/x
  3. Step 3: Cross multiply
    77,695.29x = 107,180.69 × 49,050.45
  4. Step 4: Simplify right side
    77,695.29x = 5,257,260,830.56
  5. Step 5: Solve for x
    x = 5,257,260,830.56/77,695.29
  6. Step 6: Final answer
    x = 67,665.12

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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.