Home / 56,943.12-78,554.88-36,806.40

Finding the Fourth Proportional to 56,943.12, 78,554.88 and 36,806.40

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Solution

The fourth proportional to 56,943.12, 78,554.88 and 36,806.40 is: 50,775.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,943.12 : 78,554.88 = 36,806.40 : x
  2. Step 2: Convert to fraction form
    56,943.12/78,554.88 = 36,806.40/x
  3. Step 3: Cross multiply
    56,943.12x = 78,554.88 × 36,806.40
  4. Step 4: Simplify right side
    56,943.12x = 2,891,322,335.23
  5. Step 5: Solve for x
    x = 2,891,322,335.23/56,943.12
  6. Step 6: Final answer
    x = 50,775.62

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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.