Home / 68,523.40-94,566.18-38,715.40

Finding the Fourth Proportional to 68,523.40, 94,566.18 and 38,715.40

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Solution

The fourth proportional to 68,523.40, 94,566.18 and 38,715.40 is: 53,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,523.40 : 94,566.18 = 38,715.40 : x
  2. Step 2: Convert to fraction form
    68,523.40/94,566.18 = 38,715.40/x
  3. Step 3: Cross multiply
    68,523.40x = 94,566.18 × 38,715.40
  4. Step 4: Simplify right side
    68,523.40x = 3,661,167,485.17
  5. Step 5: Solve for x
    x = 3,661,167,485.17/68,523.40
  6. Step 6: Final answer
    x = 53,429.45

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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.