Home / 67,477.84-93,130.64-40,257.43

Finding the Fourth Proportional to 67,477.84, 93,130.64 and 40,257.43

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Solution

The fourth proportional to 67,477.84, 93,130.64 and 40,257.43 is: 55,561.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,477.84 : 93,130.64 = 40,257.43 : x
  2. Step 2: Convert to fraction form
    67,477.84/93,130.64 = 40,257.43/x
  3. Step 3: Cross multiply
    67,477.84x = 93,130.64 × 40,257.43
  4. Step 4: Simplify right side
    67,477.84x = 3,749,200,220.66
  5. Step 5: Solve for x
    x = 3,749,200,220.66/67,477.84
  6. Step 6: Final answer
    x = 55,561.95

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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.