Home / 64,520.09-89,044.86-37,669.19

Finding the Fourth Proportional to 64,520.09, 89,044.86 and 37,669.19

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Solution

The fourth proportional to 64,520.09, 89,044.86 and 37,669.19 is: 51,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,520.09 : 89,044.86 = 37,669.19 : x
  2. Step 2: Convert to fraction form
    64,520.09/89,044.86 = 37,669.19/x
  3. Step 3: Cross multiply
    64,520.09x = 89,044.86 × 37,669.19
  4. Step 4: Simplify right side
    64,520.09x = 3,354,247,749.86
  5. Step 5: Solve for x
    x = 3,354,247,749.86/64,520.09
  6. Step 6: Final answer
    x = 51,987.65

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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.