Home / 54,362.80-74,951.20-35,208.72

Finding the Fourth Proportional to 54,362.80, 74,951.20 and 35,208.72

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Solution

The fourth proportional to 54,362.80, 74,951.20 and 35,208.72 is: 48,543.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,362.80 : 74,951.20 = 35,208.72 : x
  2. Step 2: Convert to fraction form
    54,362.80/74,951.20 = 35,208.72/x
  3. Step 3: Cross multiply
    54,362.80x = 74,951.20 × 35,208.72
  4. Step 4: Simplify right side
    54,362.80x = 2,638,935,814.46
  5. Step 5: Solve for x
    x = 2,638,935,814.46/54,362.80
  6. Step 6: Final answer
    x = 48,543.04

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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.