Home / 52,399.07-72,150.58-39,497.09

Finding the Fourth Proportional to 52,399.07, 72,150.58 and 39,497.09

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Solution

The fourth proportional to 52,399.07, 72,150.58 and 39,497.09 is: 54,385.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,399.07 : 72,150.58 = 39,497.09 : x
  2. Step 2: Convert to fraction form
    52,399.07/72,150.58 = 39,497.09/x
  3. Step 3: Cross multiply
    52,399.07x = 72,150.58 × 39,497.09
  4. Step 4: Simplify right side
    52,399.07x = 2,849,737,951.81
  5. Step 5: Solve for x
    x = 2,849,737,951.81/52,399.07
  6. Step 6: Final answer
    x = 54,385.28

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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.