Home / 70,716.24-97,590.60-40,499.28

Finding the Fourth Proportional to 70,716.24, 97,590.60 and 40,499.28

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Solution

The fourth proportional to 70,716.24, 97,590.60 and 40,499.28 is: 55,890.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,716.24 : 97,590.60 = 40,499.28 : x
  2. Step 2: Convert to fraction form
    70,716.24/97,590.60 = 40,499.28/x
  3. Step 3: Cross multiply
    70,716.24x = 97,590.60 × 40,499.28
  4. Step 4: Simplify right side
    70,716.24x = 3,952,349,034.77
  5. Step 5: Solve for x
    x = 3,952,349,034.77/70,716.24
  6. Step 6: Final answer
    x = 55,890.26

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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.