Home / 56,931.98-85,283.73-52,281.56

Finding the Fourth Proportional to 56,931.98, 85,283.73 and 52,281.56

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Solution

The fourth proportional to 56,931.98, 85,283.73 and 52,281.56 is: 78,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,931.98 : 85,283.73 = 52,281.56 : x
  2. Step 2: Convert to fraction form
    56,931.98/85,283.73 = 52,281.56/x
  3. Step 3: Cross multiply
    56,931.98x = 85,283.73 × 52,281.56
  4. Step 4: Simplify right side
    56,931.98x = 4,458,766,447.02
  5. Step 5: Solve for x
    x = 4,458,766,447.02/56,931.98
  6. Step 6: Final answer
    x = 78,317.43

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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.