Home / 56,907.15-85,369.93-21,371.23

Finding the Fourth Proportional to 56,907.15, 85,369.93 and 21,371.23

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Solution

The fourth proportional to 56,907.15, 85,369.93 and 21,371.23 is: 32,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,907.15 : 85,369.93 = 21,371.23 : x
  2. Step 2: Convert to fraction form
    56,907.15/85,369.93 = 21,371.23/x
  3. Step 3: Cross multiply
    56,907.15x = 85,369.93 × 21,371.23
  4. Step 4: Simplify right side
    56,907.15x = 1,824,460,409.11
  5. Step 5: Solve for x
    x = 1,824,460,409.11/56,907.15
  6. Step 6: Final answer
    x = 32,060.30

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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.