Home / 68,669.94-94,769.28-38,457.76

Finding the Fourth Proportional to 68,669.94, 94,769.28 and 38,457.76

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Solution

The fourth proportional to 68,669.94, 94,769.28 and 38,457.76 is: 53,074.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,669.94 : 94,769.28 = 38,457.76 : x
  2. Step 2: Convert to fraction form
    68,669.94/94,769.28 = 38,457.76/x
  3. Step 3: Cross multiply
    68,669.94x = 94,769.28 × 38,457.76
  4. Step 4: Simplify right side
    68,669.94x = 3,644,614,225.61
  5. Step 5: Solve for x
    x = 3,644,614,225.61/68,669.94
  6. Step 6: Final answer
    x = 53,074.38

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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.