Home / 55,856.91-77,160.86-50,812.23

Finding the Fourth Proportional to 55,856.91, 77,160.86 and 50,812.23

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Solution

The fourth proportional to 55,856.91, 77,160.86 and 50,812.23 is: 70,192.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,856.91 : 77,160.86 = 50,812.23 : x
  2. Step 2: Convert to fraction form
    55,856.91/77,160.86 = 50,812.23/x
  3. Step 3: Cross multiply
    55,856.91x = 77,160.86 × 50,812.23
  4. Step 4: Simplify right side
    55,856.91x = 3,920,715,492.35
  5. Step 5: Solve for x
    x = 3,920,715,492.35/55,856.91
  6. Step 6: Final answer
    x = 70,192.13

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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.