Home / 65,071.54-89,788.66-38,211.54

Finding the Fourth Proportional to 65,071.54, 89,788.66 and 38,211.54

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Solution

The fourth proportional to 65,071.54, 89,788.66 and 38,211.54 is: 52,726.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,071.54 : 89,788.66 = 38,211.54 : x
  2. Step 2: Convert to fraction form
    65,071.54/89,788.66 = 38,211.54/x
  3. Step 3: Cross multiply
    65,071.54x = 89,788.66 × 38,211.54
  4. Step 4: Simplify right side
    65,071.54x = 3,430,962,973.14
  5. Step 5: Solve for x
    x = 3,430,962,973.14/65,071.54
  6. Step 6: Final answer
    x = 52,726.01

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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.