Home / 64,723.86-89,320.68-36,430.56

Finding the Fourth Proportional to 64,723.86, 89,320.68 and 36,430.56

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Solution

The fourth proportional to 64,723.86, 89,320.68 and 36,430.56 is: 50,275.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,723.86 : 89,320.68 = 36,430.56 : x
  2. Step 2: Convert to fraction form
    64,723.86/89,320.68 = 36,430.56/x
  3. Step 3: Cross multiply
    64,723.86x = 89,320.68 × 36,430.56
  4. Step 4: Simplify right side
    64,723.86x = 3,254,002,391.98
  5. Step 5: Solve for x
    x = 3,254,002,391.98/64,723.86
  6. Step 6: Final answer
    x = 50,275.16

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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.