Home / 57,018.07-78,713.04-35,809.03

Finding the Fourth Proportional to 57,018.07, 78,713.04 and 35,809.03

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Solution

The fourth proportional to 57,018.07, 78,713.04 and 35,809.03 is: 49,434.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,018.07 : 78,713.04 = 35,809.03 : x
  2. Step 2: Convert to fraction form
    57,018.07/78,713.04 = 35,809.03/x
  3. Step 3: Cross multiply
    57,018.07x = 78,713.04 × 35,809.03
  4. Step 4: Simplify right side
    57,018.07x = 2,818,637,610.75
  5. Step 5: Solve for x
    x = 2,818,637,610.75/57,018.07
  6. Step 6: Final answer
    x = 49,434.11

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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.