Home / 68,575.34-102,863.05-45,031.61

Finding the Fourth Proportional to 68,575.34, 102,863.05 and 45,031.61

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Solution

The fourth proportional to 68,575.34, 102,863.05 and 45,031.61 is: 67,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,575.34 : 102,863.05 = 45,031.61 : x
  2. Step 2: Convert to fraction form
    68,575.34/102,863.05 = 45,031.61/x
  3. Step 3: Cross multiply
    68,575.34x = 102,863.05 × 45,031.61
  4. Step 4: Simplify right side
    68,575.34x = 4,632,088,895.59
  5. Step 5: Solve for x
    x = 4,632,088,895.59/68,575.34
  6. Step 6: Final answer
    x = 67,547.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.