Home / 56,766.76-85,108.53-19,316.77

Finding the Fourth Proportional to 56,766.76, 85,108.53 and 19,316.77

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Solution

The fourth proportional to 56,766.76, 85,108.53 and 19,316.77 is: 28,961.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,766.76 : 85,108.53 = 19,316.77 : x
  2. Step 2: Convert to fraction form
    56,766.76/85,108.53 = 19,316.77/x
  3. Step 3: Cross multiply
    56,766.76x = 85,108.53 × 19,316.77
  4. Step 4: Simplify right side
    56,766.76x = 1,644,021,899.05
  5. Step 5: Solve for x
    x = 1,644,021,899.05/56,766.76
  6. Step 6: Final answer
    x = 28,961.00

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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.