Home / 77,705.24-107,233.64-45,889.82

Finding the Fourth Proportional to 77,705.24, 107,233.64 and 45,889.82

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Solution

The fourth proportional to 77,705.24, 107,233.64 and 45,889.82 is: 63,328.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,705.24 : 107,233.64 = 45,889.82 : x
  2. Step 2: Convert to fraction form
    77,705.24/107,233.64 = 45,889.82/x
  3. Step 3: Cross multiply
    77,705.24x = 107,233.64 × 45,889.82
  4. Step 4: Simplify right side
    77,705.24x = 4,920,932,437.54
  5. Step 5: Solve for x
    x = 4,920,932,437.54/77,705.24
  6. Step 6: Final answer
    x = 63,328.19

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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.