Home / 53,859.22-74,328.68-29,985.37

Finding the Fourth Proportional to 53,859.22, 74,328.68 and 29,985.37

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Solution

The fourth proportional to 53,859.22, 74,328.68 and 29,985.37 is: 41,381.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,859.22 : 74,328.68 = 29,985.37 : x
  2. Step 2: Convert to fraction form
    53,859.22/74,328.68 = 29,985.37/x
  3. Step 3: Cross multiply
    53,859.22x = 74,328.68 × 29,985.37
  4. Step 4: Simplify right side
    53,859.22x = 2,228,772,971.41
  5. Step 5: Solve for x
    x = 2,228,772,971.41/53,859.22
  6. Step 6: Final answer
    x = 41,381.46

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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.