Home / 74,886.14-103,384.38-51,047.84

Finding the Fourth Proportional to 74,886.14, 103,384.38 and 51,047.84

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Solution

The fourth proportional to 74,886.14, 103,384.38 and 51,047.84 is: 70,474.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,886.14 : 103,384.38 = 51,047.84 : x
  2. Step 2: Convert to fraction form
    74,886.14/103,384.38 = 51,047.84/x
  3. Step 3: Cross multiply
    74,886.14x = 103,384.38 × 51,047.84
  4. Step 4: Simplify right side
    74,886.14x = 5,277,549,288.74
  5. Step 5: Solve for x
    x = 5,277,549,288.74/74,886.14
  6. Step 6: Final answer
    x = 70,474.31

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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.