Home / 86,623.05-119,541.77-50,838.87

Finding the Fourth Proportional to 86,623.05, 119,541.77 and 50,838.87

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Solution

The fourth proportional to 86,623.05, 119,541.77 and 50,838.87 is: 70,158.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,623.05 : 119,541.77 = 50,838.87 : x
  2. Step 2: Convert to fraction form
    86,623.05/119,541.77 = 50,838.87/x
  3. Step 3: Cross multiply
    86,623.05x = 119,541.77 × 50,838.87
  4. Step 4: Simplify right side
    86,623.05x = 6,077,369,175.30
  5. Step 5: Solve for x
    x = 6,077,369,175.30/86,623.05
  6. Step 6: Final answer
    x = 70,158.80

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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.