Home / 56,856.05-78,462.68-31,363.23

Finding the Fourth Proportional to 56,856.05, 78,462.68 and 31,363.23

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Solution

The fourth proportional to 56,856.05, 78,462.68 and 31,363.23 is: 43,281.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,856.05 : 78,462.68 = 31,363.23 : x
  2. Step 2: Convert to fraction form
    56,856.05/78,462.68 = 31,363.23/x
  3. Step 3: Cross multiply
    56,856.05x = 78,462.68 × 31,363.23
  4. Step 4: Simplify right side
    56,856.05x = 2,460,842,922.44
  5. Step 5: Solve for x
    x = 2,460,842,922.44/56,856.05
  6. Step 6: Final answer
    x = 43,281.99

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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.