Home / 77,427.71-116,063.12-52,470.28

Finding the Fourth Proportional to 77,427.71, 116,063.12 and 52,470.28

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Solution

The fourth proportional to 77,427.71, 116,063.12 and 52,470.28 is: 78,652.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,427.71 : 116,063.12 = 52,470.28 : x
  2. Step 2: Convert to fraction form
    77,427.71/116,063.12 = 52,470.28/x
  3. Step 3: Cross multiply
    77,427.71x = 116,063.12 × 52,470.28
  4. Step 4: Simplify right side
    77,427.71x = 6,089,864,404.07
  5. Step 5: Solve for x
    x = 6,089,864,404.07/77,427.71
  6. Step 6: Final answer
    x = 78,652.26

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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.