Home / 64,837.38-89,501.36-55,726.68

Finding the Fourth Proportional to 64,837.38, 89,501.36 and 55,726.68

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Solution

The fourth proportional to 64,837.38, 89,501.36 and 55,726.68 is: 76,924.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,837.38 : 89,501.36 = 55,726.68 : x
  2. Step 2: Convert to fraction form
    64,837.38/89,501.36 = 55,726.68/x
  3. Step 3: Cross multiply
    64,837.38x = 89,501.36 × 55,726.68
  4. Step 4: Simplify right side
    64,837.38x = 4,987,613,369.65
  5. Step 5: Solve for x
    x = 4,987,613,369.65/64,837.38
  6. Step 6: Final answer
    x = 76,924.97

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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.