Home / 53,151.48-79,099.76-51,379.74

Finding the Fourth Proportional to 53,151.48, 79,099.76 and 51,379.74

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Solution

The fourth proportional to 53,151.48, 79,099.76 and 51,379.74 is: 76,463.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,151.48 : 79,099.76 = 51,379.74 : x
  2. Step 2: Convert to fraction form
    53,151.48/79,099.76 = 51,379.74/x
  3. Step 3: Cross multiply
    53,151.48x = 79,099.76 × 51,379.74
  4. Step 4: Simplify right side
    53,151.48x = 4,064,124,845.96
  5. Step 5: Solve for x
    x = 4,064,124,845.96/53,151.48
  6. Step 6: Final answer
    x = 76,463.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.