Home / 67,989.12-93,824.36-37,774.50

Finding the Fourth Proportional to 67,989.12, 93,824.36 and 37,774.50

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Solution

The fourth proportional to 67,989.12, 93,824.36 and 37,774.50 is: 52,128.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,989.12 : 93,824.36 = 37,774.50 : x
  2. Step 2: Convert to fraction form
    67,989.12/93,824.36 = 37,774.50/x
  3. Step 3: Cross multiply
    67,989.12x = 93,824.36 × 37,774.50
  4. Step 4: Simplify right side
    67,989.12x = 3,544,168,286.82
  5. Step 5: Solve for x
    x = 3,544,168,286.82/67,989.12
  6. Step 6: Final answer
    x = 52,128.46

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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.