Home / 74,210.07-102,319.68-51,567.87

Finding the Fourth Proportional to 74,210.07, 102,319.68 and 51,567.87

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Solution

The fourth proportional to 74,210.07, 102,319.68 and 51,567.87 is: 71,100.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,210.07 : 102,319.68 = 51,567.87 : x
  2. Step 2: Convert to fraction form
    74,210.07/102,319.68 = 51,567.87/x
  3. Step 3: Cross multiply
    74,210.07x = 102,319.68 × 51,567.87
  4. Step 4: Simplify right side
    74,210.07x = 5,276,407,956.68
  5. Step 5: Solve for x
    x = 5,276,407,956.68/74,210.07
  6. Step 6: Final answer
    x = 71,100.97

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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.