Home / 67,972.96-93,803.30-39,673.16

Finding the Fourth Proportional to 67,972.96, 93,803.30 and 39,673.16

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Solution

The fourth proportional to 67,972.96, 93,803.30 and 39,673.16 is: 54,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,972.96 : 93,803.30 = 39,673.16 : x
  2. Step 2: Convert to fraction form
    67,972.96/93,803.30 = 39,673.16/x
  3. Step 3: Cross multiply
    67,972.96x = 93,803.30 × 39,673.16
  4. Step 4: Simplify right side
    67,972.96x = 3,721,473,329.43
  5. Step 5: Solve for x
    x = 3,721,473,329.43/67,972.96
  6. Step 6: Final answer
    x = 54,749.32

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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.