Home / 68,328.08-94,313.76-40,042.88

Finding the Fourth Proportional to 68,328.08, 94,313.76 and 40,042.88

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Solution

The fourth proportional to 68,328.08, 94,313.76 and 40,042.88 is: 55,271.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,328.08 : 94,313.76 = 40,042.88 : x
  2. Step 2: Convert to fraction form
    68,328.08/94,313.76 = 40,042.88/x
  3. Step 3: Cross multiply
    68,328.08x = 94,313.76 × 40,042.88
  4. Step 4: Simplify right side
    68,328.08x = 3,776,594,574.03
  5. Step 5: Solve for x
    x = 3,776,594,574.03/68,328.08
  6. Step 6: Final answer
    x = 55,271.49

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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.