Home / 56,861.99-85,186.36-47,561.77

Finding the Fourth Proportional to 56,861.99, 85,186.36 and 47,561.77

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Solution

The fourth proportional to 56,861.99, 85,186.36 and 47,561.77 is: 71,253.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,861.99 : 85,186.36 = 47,561.77 : x
  2. Step 2: Convert to fraction form
    56,861.99/85,186.36 = 47,561.77/x
  3. Step 3: Cross multiply
    56,861.99x = 85,186.36 × 47,561.77
  4. Step 4: Simplify right side
    56,861.99x = 4,051,614,061.46
  5. Step 5: Solve for x
    x = 4,051,614,061.46/56,861.99
  6. Step 6: Final answer
    x = 71,253.47

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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.