Home / 85,058.66-127,583.73-31,746.58

Finding the Fourth Proportional to 85,058.66, 127,583.73 and 31,746.58

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Solution

The fourth proportional to 85,058.66, 127,583.73 and 31,746.58 is: 47,618.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,058.66 : 127,583.73 = 31,746.58 : x
  2. Step 2: Convert to fraction form
    85,058.66/127,583.73 = 31,746.58/x
  3. Step 3: Cross multiply
    85,058.66x = 127,583.73 × 31,746.58
  4. Step 4: Simplify right side
    85,058.66x = 4,050,347,579.13
  5. Step 5: Solve for x
    x = 4,050,347,579.13/85,058.66
  6. Step 6: Final answer
    x = 47,618.29

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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.