Home / 76,386.38-114,582.67-36,384.80

Finding the Fourth Proportional to 76,386.38, 114,582.67 and 36,384.80

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Solution

The fourth proportional to 76,386.38, 114,582.67 and 36,384.80 is: 54,578.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,386.38 : 114,582.67 = 36,384.80 : x
  2. Step 2: Convert to fraction form
    76,386.38/114,582.67 = 36,384.80/x
  3. Step 3: Cross multiply
    76,386.38x = 114,582.67 × 36,384.80
  4. Step 4: Simplify right side
    76,386.38x = 4,169,066,867.54
  5. Step 5: Solve for x
    x = 4,169,066,867.54/76,386.38
  6. Step 6: Final answer
    x = 54,578.67

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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.