Home / 56,495.76-77,973.48-31,353.36

Finding the Fourth Proportional to 56,495.76, 77,973.48 and 31,353.36

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Solution

The fourth proportional to 56,495.76, 77,973.48 and 31,353.36 is: 43,272.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,495.76 : 77,973.48 = 31,353.36 : x
  2. Step 2: Convert to fraction form
    56,495.76/77,973.48 = 31,353.36/x
  3. Step 3: Cross multiply
    56,495.76x = 77,973.48 × 31,353.36
  4. Step 4: Simplify right side
    56,495.76x = 2,444,730,588.89
  5. Step 5: Solve for x
    x = 2,444,730,588.89/56,495.76
  6. Step 6: Final answer
    x = 43,272.82

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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.