Home / 56,683.65-85,058.33-28,605.90

Finding the Fourth Proportional to 56,683.65, 85,058.33 and 28,605.90

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Solution

The fourth proportional to 56,683.65, 85,058.33 and 28,605.90 is: 42,925.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,683.65 : 85,058.33 = 28,605.90 : x
  2. Step 2: Convert to fraction form
    56,683.65/85,058.33 = 28,605.90/x
  3. Step 3: Cross multiply
    56,683.65x = 85,058.33 × 28,605.90
  4. Step 4: Simplify right side
    56,683.65x = 2,433,169,797.99
  5. Step 5: Solve for x
    x = 2,433,169,797.99/56,683.65
  6. Step 6: Final answer
    x = 42,925.43

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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.