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Finding the Fourth Proportional to 67,558.92, 93,208.50 and 39,241.32

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Solution

The fourth proportional to 67,558.92, 93,208.50 and 39,241.32 is: 54,139.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,558.92 : 93,208.50 = 39,241.32 : x
  2. Step 2: Convert to fraction form
    67,558.92/93,208.50 = 39,241.32/x
  3. Step 3: Cross multiply
    67,558.92x = 93,208.50 × 39,241.32
  4. Step 4: Simplify right side
    67,558.92x = 3,657,624,575.22
  5. Step 5: Solve for x
    x = 3,657,624,575.22/67,558.92
  6. Step 6: Final answer
    x = 54,139.77

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1.5x scale

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.