Home / 74,390.04-102,660.62-40,856.04

Finding the Fourth Proportional to 74,390.04, 102,660.62 and 40,856.04

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Solution

The fourth proportional to 74,390.04, 102,660.62 and 40,856.04 is: 56,382.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,390.04 : 102,660.62 = 40,856.04 : x
  2. Step 2: Convert to fraction form
    74,390.04/102,660.62 = 40,856.04/x
  3. Step 3: Cross multiply
    74,390.04x = 102,660.62 × 40,856.04
  4. Step 4: Simplify right side
    74,390.04x = 4,194,306,397.14
  5. Step 5: Solve for x
    x = 4,194,306,397.14/74,390.04
  6. Step 6: Final answer
    x = 56,382.63

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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.