Home / 56,669.40-85,004.16-15,116.40

Finding the Fourth Proportional to 56,669.40, 85,004.16 and 15,116.40

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Solution

The fourth proportional to 56,669.40, 85,004.16 and 15,116.40 is: 22,674.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,669.40 : 85,004.16 = 15,116.40 : x
  2. Step 2: Convert to fraction form
    56,669.40/85,004.16 = 15,116.40/x
  3. Step 3: Cross multiply
    56,669.40x = 85,004.16 × 15,116.40
  4. Step 4: Simplify right side
    56,669.40x = 1,284,956,884.22
  5. Step 5: Solve for x
    x = 1,284,956,884.22/56,669.40
  6. Step 6: Final answer
    x = 22,674.62

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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.