Home / 64,899.24-89,491.80-51,263.31

Finding the Fourth Proportional to 64,899.24, 89,491.80 and 51,263.31

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Solution

The fourth proportional to 64,899.24, 89,491.80 and 51,263.31 is: 70,688.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,899.24 : 89,491.80 = 51,263.31 : x
  2. Step 2: Convert to fraction form
    64,899.24/89,491.80 = 51,263.31/x
  3. Step 3: Cross multiply
    64,899.24x = 89,491.80 × 51,263.31
  4. Step 4: Simplify right side
    64,899.24x = 4,587,645,885.86
  5. Step 5: Solve for x
    x = 4,587,645,885.86/64,899.24
  6. Step 6: Final answer
    x = 70,688.75

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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.