Home / 81,935.02-122,916.57-37,565.57

Finding the Fourth Proportional to 81,935.02, 122,916.57 and 37,565.57

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Solution

The fourth proportional to 81,935.02, 122,916.57 and 37,565.57 is: 56,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,935.02 : 122,916.57 = 37,565.57 : x
  2. Step 2: Convert to fraction form
    81,935.02/122,916.57 = 37,565.57/x
  3. Step 3: Cross multiply
    81,935.02x = 122,916.57 × 37,565.57
  4. Step 4: Simplify right side
    81,935.02x = 4,617,431,014.49
  5. Step 5: Solve for x
    x = 4,617,431,014.49/81,935.02
  6. Step 6: Final answer
    x = 56,354.80

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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.