Home / 56,445.57-84,678.08-16,999.38

Finding the Fourth Proportional to 56,445.57, 84,678.08 and 16,999.38

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Solution

The fourth proportional to 56,445.57, 84,678.08 and 16,999.38 is: 25,502.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,445.57 : 84,678.08 = 16,999.38 : x
  2. Step 2: Convert to fraction form
    56,445.57/84,678.08 = 16,999.38/x
  3. Step 3: Cross multiply
    56,445.57x = 84,678.08 × 16,999.38
  4. Step 4: Simplify right side
    56,445.57x = 1,439,474,774.59
  5. Step 5: Solve for x
    x = 1,439,474,774.59/56,445.57
  6. Step 6: Final answer
    x = 25,502.00

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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.