Home / 51,572.63-77,009.75-40,923.07

Finding the Fourth Proportional to 51,572.63, 77,009.75 and 40,923.07

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Solution

The fourth proportional to 51,572.63, 77,009.75 and 40,923.07 is: 61,107.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,572.63 : 77,009.75 = 40,923.07 : x
  2. Step 2: Convert to fraction form
    51,572.63/77,009.75 = 40,923.07/x
  3. Step 3: Cross multiply
    51,572.63x = 77,009.75 × 40,923.07
  4. Step 4: Simplify right side
    51,572.63x = 3,151,475,809.63
  5. Step 5: Solve for x
    x = 3,151,475,809.63/51,572.63
  6. Step 6: Final answer
    x = 61,107.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.