Home / 61,487.51-92,236.66-18,802.58

Finding the Fourth Proportional to 61,487.51, 92,236.66 and 18,802.58

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Solution

The fourth proportional to 61,487.51, 92,236.66 and 18,802.58 is: 28,205.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,487.51 : 92,236.66 = 18,802.58 : x
  2. Step 2: Convert to fraction form
    61,487.51/92,236.66 = 18,802.58/x
  3. Step 3: Cross multiply
    61,487.51x = 92,236.66 × 18,802.58
  4. Step 4: Simplify right side
    61,487.51x = 1,734,286,670.39
  5. Step 5: Solve for x
    x = 1,734,286,670.39/61,487.51
  6. Step 6: Final answer
    x = 28,205.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.