Home / 84,945.07-127,140.28-62,449.81

Finding the Fourth Proportional to 84,945.07, 127,140.28 and 62,449.81

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Solution

The fourth proportional to 84,945.07, 127,140.28 and 62,449.81 is: 93,470.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,945.07 : 127,140.28 = 62,449.81 : x
  2. Step 2: Convert to fraction form
    84,945.07/127,140.28 = 62,449.81/x
  3. Step 3: Cross multiply
    84,945.07x = 127,140.28 × 62,449.81
  4. Step 4: Simplify right side
    84,945.07x = 7,939,886,564.23
  5. Step 5: Solve for x
    x = 7,939,886,564.23/84,945.07
  6. Step 6: Final answer
    x = 93,470.84

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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.