Home / 82,860.04-114,389.22-56,143.72

Finding the Fourth Proportional to 82,860.04, 114,389.22 and 56,143.72

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Solution

The fourth proportional to 82,860.04, 114,389.22 and 56,143.72 is: 77,507.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,860.04 : 114,389.22 = 56,143.72 : x
  2. Step 2: Convert to fraction form
    82,860.04/114,389.22 = 56,143.72/x
  3. Step 3: Cross multiply
    82,860.04x = 114,389.22 × 56,143.72
  4. Step 4: Simplify right side
    82,860.04x = 6,422,236,338.70
  5. Step 5: Solve for x
    x = 6,422,236,338.70/82,860.04
  6. Step 6: Final answer
    x = 77,507.04

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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.