Home / 55,252.36-76,248.35-31,379.03

Finding the Fourth Proportional to 55,252.36, 76,248.35 and 31,379.03

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Solution

The fourth proportional to 55,252.36, 76,248.35 and 31,379.03 is: 43,303.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,252.36 : 76,248.35 = 31,379.03 : x
  2. Step 2: Convert to fraction form
    55,252.36/76,248.35 = 31,379.03/x
  3. Step 3: Cross multiply
    55,252.36x = 76,248.35 × 31,379.03
  4. Step 4: Simplify right side
    55,252.36x = 2,392,599,262.10
  5. Step 5: Solve for x
    x = 2,392,599,262.10/55,252.36
  6. Step 6: Final answer
    x = 43,303.11

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1.5x scale

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.