Home / 56,389.96-84,087.32-55,883.78

Finding the Fourth Proportional to 56,389.96, 84,087.32 and 55,883.78

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Solution

The fourth proportional to 56,389.96, 84,087.32 and 55,883.78 is: 83,332.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,389.96 : 84,087.32 = 55,883.78 : x
  2. Step 2: Convert to fraction form
    56,389.96/84,087.32 = 55,883.78/x
  3. Step 3: Cross multiply
    56,389.96x = 84,087.32 × 55,883.78
  4. Step 4: Simplify right side
    56,389.96x = 4,699,117,291.67
  5. Step 5: Solve for x
    x = 4,699,117,291.67/56,389.96
  6. Step 6: Final answer
    x = 83,332.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.