Home / 115,789.21-173,683.55-76,058.98

Finding the Fourth Proportional to 115,789.21, 173,683.55 and 76,058.98

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Solution

The fourth proportional to 115,789.21, 173,683.55 and 76,058.98 is: 114,088.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,789.21 : 173,683.55 = 76,058.98 : x
  2. Step 2: Convert to fraction form
    115,789.21/173,683.55 = 76,058.98/x
  3. Step 3: Cross multiply
    115,789.21x = 173,683.55 × 76,058.98
  4. Step 4: Simplify right side
    115,789.21x = 13,210,193,275.48
  5. Step 5: Solve for x
    x = 13,210,193,275.48/115,789.21
  6. Step 6: Final answer
    x = 114,088.29

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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.