Home / 56,686.91-85,061.70-23,399.19

Finding the Fourth Proportional to 56,686.91, 85,061.70 and 23,399.19

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Solution

The fourth proportional to 56,686.91, 85,061.70 and 23,399.19 is: 35,111.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,686.91 : 85,061.70 = 23,399.19 : x
  2. Step 2: Convert to fraction form
    56,686.91/85,061.70 = 23,399.19/x
  3. Step 3: Cross multiply
    56,686.91x = 85,061.70 × 23,399.19
  4. Step 4: Simplify right side
    56,686.91x = 1,990,374,979.08
  5. Step 5: Solve for x
    x = 1,990,374,979.08/56,686.91
  6. Step 6: Final answer
    x = 35,111.72

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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.