Home / 58,635.09-80,916.57-31,777.38

Finding the Fourth Proportional to 58,635.09, 80,916.57 and 31,777.38

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Solution

The fourth proportional to 58,635.09, 80,916.57 and 31,777.38 is: 43,852.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,635.09 : 80,916.57 = 31,777.38 : x
  2. Step 2: Convert to fraction form
    58,635.09/80,916.57 = 31,777.38/x
  3. Step 3: Cross multiply
    58,635.09x = 80,916.57 × 31,777.38
  4. Step 4: Simplify right side
    58,635.09x = 2,571,316,593.19
  5. Step 5: Solve for x
    x = 2,571,316,593.19/58,635.09
  6. Step 6: Final answer
    x = 43,852.86

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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.