Home / 102,058.07-140,840.91-56,118.51

Finding the Fourth Proportional to 102,058.07, 140,840.91 and 56,118.51

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Solution

The fourth proportional to 102,058.07, 140,840.91 and 56,118.51 is: 77,443.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,058.07 : 140,840.91 = 56,118.51 : x
  2. Step 2: Convert to fraction form
    102,058.07/140,840.91 = 56,118.51/x
  3. Step 3: Cross multiply
    102,058.07x = 140,840.91 × 56,118.51
  4. Step 4: Simplify right side
    102,058.07x = 7,903,782,016.24
  5. Step 5: Solve for x
    x = 7,903,782,016.24/102,058.07
  6. Step 6: Final answer
    x = 77,443.97

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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.