Home / 64,900.24-89,493.18-51,264.31

Finding the Fourth Proportional to 64,900.24, 89,493.18 and 51,264.31

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Solution

The fourth proportional to 64,900.24, 89,493.18 and 51,264.31 is: 70,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,900.24 : 89,493.18 = 51,264.31 : x
  2. Step 2: Convert to fraction form
    64,900.24/89,493.18 = 51,264.31/x
  3. Step 3: Cross multiply
    64,900.24x = 89,493.18 × 51,264.31
  4. Step 4: Simplify right side
    64,900.24x = 4,587,806,122.41
  5. Step 5: Solve for x
    x = 4,587,806,122.41/64,900.24
  6. Step 6: Final answer
    x = 70,690.13

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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.