Home / 56,450.96-77,898.16-30,953.24

Finding the Fourth Proportional to 56,450.96, 77,898.16 and 30,953.24

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Solution

The fourth proportional to 56,450.96, 77,898.16 and 30,953.24 is: 42,713.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,450.96 : 77,898.16 = 30,953.24 : x
  2. Step 2: Convert to fraction form
    56,450.96/77,898.16 = 30,953.24/x
  3. Step 3: Cross multiply
    56,450.96x = 77,898.16 × 30,953.24
  4. Step 4: Simplify right side
    56,450.96x = 2,411,200,442.04
  5. Step 5: Solve for x
    x = 2,411,200,442.04/56,450.96
  6. Step 6: Final answer
    x = 42,713.19

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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.