Home / 68,210.20-94,130.20-39,535.39

Finding the Fourth Proportional to 68,210.20, 94,130.20 and 39,535.39

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Solution

The fourth proportional to 68,210.20, 94,130.20 and 39,535.39 is: 54,558.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,210.20 : 94,130.20 = 39,535.39 : x
  2. Step 2: Convert to fraction form
    68,210.20/94,130.20 = 39,535.39/x
  3. Step 3: Cross multiply
    68,210.20x = 94,130.20 × 39,535.39
  4. Step 4: Simplify right side
    68,210.20x = 3,721,474,334.86
  5. Step 5: Solve for x
    x = 3,721,474,334.86/68,210.20
  6. Step 6: Final answer
    x = 54,558.91

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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.