Home / 55,856.48-77,056.23-49,489.52

Finding the Fourth Proportional to 55,856.48, 77,056.23 and 49,489.52

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Solution

The fourth proportional to 55,856.48, 77,056.23 and 49,489.52 is: 68,272.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,856.48 : 77,056.23 = 49,489.52 : x
  2. Step 2: Convert to fraction form
    55,856.48/77,056.23 = 49,489.52/x
  3. Step 3: Cross multiply
    55,856.48x = 77,056.23 × 49,489.52
  4. Step 4: Simplify right side
    55,856.48x = 3,813,475,835.71
  5. Step 5: Solve for x
    x = 3,813,475,835.71/55,856.48
  6. Step 6: Final answer
    x = 68,272.76

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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.