Home / 77,425.03-116,099.96-45,412.82

Finding the Fourth Proportional to 77,425.03, 116,099.96 and 45,412.82

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Solution

The fourth proportional to 77,425.03, 116,099.96 and 45,412.82 is: 68,097.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,425.03 : 116,099.96 = 45,412.82 : x
  2. Step 2: Convert to fraction form
    77,425.03/116,099.96 = 45,412.82/x
  3. Step 3: Cross multiply
    77,425.03x = 116,099.96 × 45,412.82
  4. Step 4: Simplify right side
    77,425.03x = 5,272,426,585.49
  5. Step 5: Solve for x
    x = 5,272,426,585.49/77,425.03
  6. Step 6: Final answer
    x = 68,097.18

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1.5x scale

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.