Home / 56,925.48-85,392.32-21,865.16

Finding the Fourth Proportional to 56,925.48, 85,392.32 and 21,865.16

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Solution

The fourth proportional to 56,925.48, 85,392.32 and 21,865.16 is: 32,799.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,925.48 : 85,392.32 = 21,865.16 : x
  2. Step 2: Convert to fraction form
    56,925.48/85,392.32 = 21,865.16/x
  3. Step 3: Cross multiply
    56,925.48x = 85,392.32 × 21,865.16
  4. Step 4: Simplify right side
    56,925.48x = 1,867,116,739.57
  5. Step 5: Solve for x
    x = 1,867,116,739.57/56,925.48
  6. Step 6: Final answer
    x = 32,799.31

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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.