Home / 65,004.12-89,779.73-43,746.48

Finding the Fourth Proportional to 65,004.12, 89,779.73 and 43,746.48

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Solution

The fourth proportional to 65,004.12, 89,779.73 and 43,746.48 is: 60,419.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,004.12 : 89,779.73 = 43,746.48 : x
  2. Step 2: Convert to fraction form
    65,004.12/89,779.73 = 43,746.48/x
  3. Step 3: Cross multiply
    65,004.12x = 89,779.73 × 43,746.48
  4. Step 4: Simplify right side
    65,004.12x = 3,927,546,944.12
  5. Step 5: Solve for x
    x = 3,927,546,944.12/65,004.12
  6. Step 6: Final answer
    x = 60,419.97

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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.