Home / 77,914.44-107,514-46,077.12

Finding the Fourth Proportional to 77,914.44, 107,514 and 46,077.12

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Solution

The fourth proportional to 77,914.44, 107,514 and 46,077.12 is: 63,581.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,914.44 : 107,514 = 46,077.12 : x
  2. Step 2: Convert to fraction form
    77,914.44/107,514 = 46,077.12/x
  3. Step 3: Cross multiply
    77,914.44x = 107,514 × 46,077.12
  4. Step 4: Simplify right side
    77,914.44x = 4,953,935,479.68
  5. Step 5: Solve for x
    x = 4,953,935,479.68/77,914.44
  6. Step 6: Final answer
    x = 63,581.74

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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.