Home / 84,837.07-127,247.36-42,700.37

Finding the Fourth Proportional to 84,837.07, 127,247.36 and 42,700.37

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Solution

The fourth proportional to 84,837.07, 127,247.36 and 42,700.37 is: 64,046.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,837.07 : 127,247.36 = 42,700.37 : x
  2. Step 2: Convert to fraction form
    84,837.07/127,247.36 = 42,700.37/x
  3. Step 3: Cross multiply
    84,837.07x = 127,247.36 × 42,700.37
  4. Step 4: Simplify right side
    84,837.07x = 5,433,508,503.78
  5. Step 5: Solve for x
    x = 5,433,508,503.78/84,837.07
  6. Step 6: Final answer
    x = 64,046.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.