Home / 56,301.81-77,712.39-33,656.64

Finding the Fourth Proportional to 56,301.81, 77,712.39 and 33,656.64

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Solution

The fourth proportional to 56,301.81, 77,712.39 and 33,656.64 is: 46,455.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,301.81 : 77,712.39 = 33,656.64 : x
  2. Step 2: Convert to fraction form
    56,301.81/77,712.39 = 33,656.64/x
  3. Step 3: Cross multiply
    56,301.81x = 77,712.39 × 33,656.64
  4. Step 4: Simplify right side
    56,301.81x = 2,615,537,933.77
  5. Step 5: Solve for x
    x = 2,615,537,933.77/56,301.81
  6. Step 6: Final answer
    x = 46,455.66

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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.