Home / 65,470.14-90,349.41-37,176.42

Finding the Fourth Proportional to 65,470.14, 90,349.41 and 37,176.42

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Solution

The fourth proportional to 65,470.14, 90,349.41 and 37,176.42 is: 51,303.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,470.14 : 90,349.41 = 37,176.42 : x
  2. Step 2: Convert to fraction form
    65,470.14/90,349.41 = 37,176.42/x
  3. Step 3: Cross multiply
    65,470.14x = 90,349.41 × 37,176.42
  4. Step 4: Simplify right side
    65,470.14x = 3,358,867,612.91
  5. Step 5: Solve for x
    x = 3,358,867,612.91/65,470.14
  6. Step 6: Final answer
    x = 51,303.81

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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.