Home / 55,774.12-83,715.86-40,941

Finding the Fourth Proportional to 55,774.12, 83,715.86 and 40,941

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Solution

The fourth proportional to 55,774.12, 83,715.86 and 40,941 is: 61,451.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,774.12 : 83,715.86 = 40,941 : x
  2. Step 2: Convert to fraction form
    55,774.12/83,715.86 = 40,941/x
  3. Step 3: Cross multiply
    55,774.12x = 83,715.86 × 40,941
  4. Step 4: Simplify right side
    55,774.12x = 3,427,411,024.26
  5. Step 5: Solve for x
    x = 3,427,411,024.26/55,774.12
  6. Step 6: Final answer
    x = 61,451.64

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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.