Home / 55,262.16-76,261.95-31,389.03

Finding the Fourth Proportional to 55,262.16, 76,261.95 and 31,389.03

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Solution

The fourth proportional to 55,262.16, 76,261.95 and 31,389.03 is: 43,316.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,262.16 : 76,261.95 = 31,389.03 : x
  2. Step 2: Convert to fraction form
    55,262.16/76,261.95 = 31,389.03/x
  3. Step 3: Cross multiply
    55,262.16x = 76,261.95 × 31,389.03
  4. Step 4: Simplify right side
    55,262.16x = 2,393,788,636.41
  5. Step 5: Solve for x
    x = 2,393,788,636.41/55,262.16
  6. Step 6: Final answer
    x = 43,316.96

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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.