Home / 77,908.72-107,536.08-46,088.68

Finding the Fourth Proportional to 77,908.72, 107,536.08 and 46,088.68

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Solution

The fourth proportional to 77,908.72, 107,536.08 and 46,088.68 is: 63,615.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,908.72 : 107,536.08 = 46,088.68 : x
  2. Step 2: Convert to fraction form
    77,908.72/107,536.08 = 46,088.68/x
  3. Step 3: Cross multiply
    77,908.72x = 107,536.08 × 46,088.68
  4. Step 4: Simplify right side
    77,908.72x = 4,956,195,979.57
  5. Step 5: Solve for x
    x = 4,956,195,979.57/77,908.72
  6. Step 6: Final answer
    x = 63,615.42

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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.