Home / 64,723.37-89,312.56-36,040.86

Finding the Fourth Proportional to 64,723.37, 89,312.56 and 36,040.86

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Solution

The fourth proportional to 64,723.37, 89,312.56 and 36,040.86 is: 49,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,723.37 : 89,312.56 = 36,040.86 : x
  2. Step 2: Convert to fraction form
    64,723.37/89,312.56 = 36,040.86/x
  3. Step 3: Cross multiply
    64,723.37x = 89,312.56 × 36,040.86
  4. Step 4: Simplify right side
    64,723.37x = 3,218,901,381.10
  5. Step 5: Solve for x
    x = 3,218,901,381.10/64,723.37
  6. Step 6: Final answer
    x = 49,733.22

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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.