Home / 49,280.04-68,014.08-31,382.82

Finding the Fourth Proportional to 49,280.04, 68,014.08 and 31,382.82

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Solution

The fourth proportional to 49,280.04, 68,014.08 and 31,382.82 is: 43,313.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,280.04 : 68,014.08 = 31,382.82 : x
  2. Step 2: Convert to fraction form
    49,280.04/68,014.08 = 31,382.82/x
  3. Step 3: Cross multiply
    49,280.04x = 68,014.08 × 31,382.82
  4. Step 4: Simplify right side
    49,280.04x = 2,134,473,630.11
  5. Step 5: Solve for x
    x = 2,134,473,630.11/49,280.04
  6. Step 6: Final answer
    x = 43,313.15

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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.