Home / 60,420.96-83,403.38-51,888.83

Finding the Fourth Proportional to 60,420.96, 83,403.38 and 51,888.83

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Solution

The fourth proportional to 60,420.96, 83,403.38 and 51,888.83 is: 71,625.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,420.96 : 83,403.38 = 51,888.83 : x
  2. Step 2: Convert to fraction form
    60,420.96/83,403.38 = 51,888.83/x
  3. Step 3: Cross multiply
    60,420.96x = 83,403.38 × 51,888.83
  4. Step 4: Simplify right side
    60,420.96x = 4,327,703,518.95
  5. Step 5: Solve for x
    x = 4,327,703,518.95/60,420.96
  6. Step 6: Final answer
    x = 71,625.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.