Home / 82,192.65-123,327.97-56,931.00

Finding the Fourth Proportional to 82,192.65, 123,327.97 and 56,931.00

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Solution

The fourth proportional to 82,192.65, 123,327.97 and 56,931.00 is: 85,423.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,192.65 : 123,327.97 = 56,931.00 : x
  2. Step 2: Convert to fraction form
    82,192.65/123,327.97 = 56,931.00/x
  3. Step 3: Cross multiply
    82,192.65x = 123,327.97 × 56,931.00
  4. Step 4: Simplify right side
    82,192.65x = 7,021,185,193.71
  5. Step 5: Solve for x
    x = 7,021,185,193.71/82,192.65
  6. Step 6: Final answer
    x = 85,423.52

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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.