Home / 55,301.10-76,312.23-31,424.46

Finding the Fourth Proportional to 55,301.10, 76,312.23 and 31,424.46

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Solution

The fourth proportional to 55,301.10, 76,312.23 and 31,424.46 is: 43,363.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,301.10 : 76,312.23 = 31,424.46 : x
  2. Step 2: Convert to fraction form
    55,301.10/76,312.23 = 31,424.46/x
  3. Step 3: Cross multiply
    55,301.10x = 76,312.23 × 31,424.46
  4. Step 4: Simplify right side
    55,301.10x = 2,398,070,619.15
  5. Step 5: Solve for x
    x = 2,398,070,619.15/55,301.10
  6. Step 6: Final answer
    x = 43,363.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.