Home / 56,443.12-77,856.28-36,326.24

Finding the Fourth Proportional to 56,443.12, 77,856.28 and 36,326.24

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Solution

The fourth proportional to 56,443.12, 77,856.28 and 36,326.24 is: 50,107.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,443.12 : 77,856.28 = 36,326.24 : x
  2. Step 2: Convert to fraction form
    56,443.12/77,856.28 = 36,326.24/x
  3. Step 3: Cross multiply
    56,443.12x = 77,856.28 × 36,326.24
  4. Step 4: Simplify right side
    56,443.12x = 2,828,225,912.79
  5. Step 5: Solve for x
    x = 2,828,225,912.79/56,443.12
  6. Step 6: Final answer
    x = 50,107.54

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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.