Home / 67,018.01-92,516.34-38,718.23

Finding the Fourth Proportional to 67,018.01, 92,516.34 and 38,718.23

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Solution

The fourth proportional to 67,018.01, 92,516.34 and 38,718.23 is: 53,449.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,018.01 : 92,516.34 = 38,718.23 : x
  2. Step 2: Convert to fraction form
    67,018.01/92,516.34 = 38,718.23/x
  3. Step 3: Cross multiply
    67,018.01x = 92,516.34 × 38,718.23
  4. Step 4: Simplify right side
    67,018.01x = 3,582,068,930.88
  5. Step 5: Solve for x
    x = 3,582,068,930.88/67,018.01
  6. Step 6: Final answer
    x = 53,449.35

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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.