Home / 48,623.49-67,073.59-30,500.78

Finding the Fourth Proportional to 48,623.49, 67,073.59 and 30,500.78

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Solution

The fourth proportional to 48,623.49, 67,073.59 and 30,500.78 is: 42,074.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,623.49 : 67,073.59 = 30,500.78 : x
  2. Step 2: Convert to fraction form
    48,623.49/67,073.59 = 30,500.78/x
  3. Step 3: Cross multiply
    48,623.49x = 67,073.59 × 30,500.78
  4. Step 4: Simplify right side
    48,623.49x = 2,045,796,812.40
  5. Step 5: Solve for x
    x = 2,045,796,812.40/48,623.49
  6. Step 6: Final answer
    x = 42,074.25

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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.