Home / 67,485.77-93,130.37-39,193.28

Finding the Fourth Proportional to 67,485.77, 93,130.37 and 39,193.28

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Solution

The fourth proportional to 67,485.77, 93,130.37 and 39,193.28 is: 54,086.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,485.77 : 93,130.37 = 39,193.28 : x
  2. Step 2: Convert to fraction form
    67,485.77/93,130.37 = 39,193.28/x
  3. Step 3: Cross multiply
    67,485.77x = 93,130.37 × 39,193.28
  4. Step 4: Simplify right side
    67,485.77x = 3,650,084,704.77
  5. Step 5: Solve for x
    x = 3,650,084,704.77/67,485.77
  6. Step 6: Final answer
    x = 54,086.73

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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.