Home / 68,403.13-94,394.47-38,187.59

Finding the Fourth Proportional to 68,403.13, 94,394.47 and 38,187.59

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Solution

The fourth proportional to 68,403.13, 94,394.47 and 38,187.59 is: 52,697.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,403.13 : 94,394.47 = 38,187.59 : x
  2. Step 2: Convert to fraction form
    68,403.13/94,394.47 = 38,187.59/x
  3. Step 3: Cross multiply
    68,403.13x = 94,394.47 × 38,187.59
  4. Step 4: Simplify right side
    68,403.13x = 3,604,697,318.63
  5. Step 5: Solve for x
    x = 3,604,697,318.63/68,403.13
  6. Step 6: Final answer
    x = 52,697.84

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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.