Home / 57,089.06-85,522.77-42,068.92

Finding the Fourth Proportional to 57,089.06, 85,522.77 and 42,068.92

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Solution

The fourth proportional to 57,089.06, 85,522.77 and 42,068.92 is: 63,021.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,089.06 : 85,522.77 = 42,068.92 : x
  2. Step 2: Convert to fraction form
    57,089.06/85,522.77 = 42,068.92/x
  3. Step 3: Cross multiply
    57,089.06x = 85,522.77 × 42,068.92
  4. Step 4: Simplify right side
    57,089.06x = 3,597,850,141.69
  5. Step 5: Solve for x
    x = 3,597,850,141.69/57,089.06
  6. Step 6: Final answer
    x = 63,021.71

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1.5x scale

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.