Home / 56,493.51-77,960.64-31,343.01

Finding the Fourth Proportional to 56,493.51, 77,960.64 and 31,343.01

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Solution

The fourth proportional to 56,493.51, 77,960.64 and 31,343.01 is: 43,253.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,493.51 : 77,960.64 = 31,343.01 : x
  2. Step 2: Convert to fraction form
    56,493.51/77,960.64 = 31,343.01/x
  3. Step 3: Cross multiply
    56,493.51x = 77,960.64 × 31,343.01
  4. Step 4: Simplify right side
    56,493.51x = 2,443,521,119.13
  5. Step 5: Solve for x
    x = 2,443,521,119.13/56,493.51
  6. Step 6: Final answer
    x = 43,253.13

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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.