Home / 57,470.04-86,206.50-15,917.40

Finding the Fourth Proportional to 57,470.04, 86,206.50 and 15,917.40

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Solution

The fourth proportional to 57,470.04, 86,206.50 and 15,917.40 is: 23,876.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,470.04 : 86,206.50 = 15,917.40 : x
  2. Step 2: Convert to fraction form
    57,470.04/86,206.50 = 15,917.40/x
  3. Step 3: Cross multiply
    57,470.04x = 86,206.50 × 15,917.40
  4. Step 4: Simplify right side
    57,470.04x = 1,372,183,343.10
  5. Step 5: Solve for x
    x = 1,372,183,343.10/57,470.04
  6. Step 6: Final answer
    x = 23,876.50

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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.