Home / 70,892.07-106,237.80-39,316.02

Finding the Fourth Proportional to 70,892.07, 106,237.80 and 39,316.02

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Solution

The fourth proportional to 70,892.07, 106,237.80 and 39,316.02 is: 58,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,892.07 : 106,237.80 = 39,316.02 : x
  2. Step 2: Convert to fraction form
    70,892.07/106,237.80 = 39,316.02/x
  3. Step 3: Cross multiply
    70,892.07x = 106,237.80 × 39,316.02
  4. Step 4: Simplify right side
    70,892.07x = 4,176,847,469.56
  5. Step 5: Solve for x
    x = 4,176,847,469.56/70,892.07
  6. Step 6: Final answer
    x = 58,918.40

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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.