Home / 56,071.51-77,374.77-31,546.01

Finding the Fourth Proportional to 56,071.51, 77,374.77 and 31,546.01

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Solution

The fourth proportional to 56,071.51, 77,374.77 and 31,546.01 is: 43,531.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,071.51 : 77,374.77 = 31,546.01 : x
  2. Step 2: Convert to fraction form
    56,071.51/77,374.77 = 31,546.01/x
  3. Step 3: Cross multiply
    56,071.51x = 77,374.77 × 31,546.01
  4. Step 4: Simplify right side
    56,071.51x = 2,440,865,268.17
  5. Step 5: Solve for x
    x = 2,440,865,268.17/56,071.51
  6. Step 6: Final answer
    x = 43,531.29

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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.