Home / 56,733.40-78,285.30-32,856.76

Finding the Fourth Proportional to 56,733.40, 78,285.30 and 32,856.76

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Solution

The fourth proportional to 56,733.40, 78,285.30 and 32,856.76 is: 45,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,733.40 : 78,285.30 = 32,856.76 : x
  2. Step 2: Convert to fraction form
    56,733.40/78,285.30 = 32,856.76/x
  3. Step 3: Cross multiply
    56,733.40x = 78,285.30 × 32,856.76
  4. Step 4: Simplify right side
    56,733.40x = 2,572,201,313.63
  5. Step 5: Solve for x
    x = 2,572,201,313.63/56,733.40
  6. Step 6: Final answer
    x = 45,338.40

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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.