Home / 90,463.89-124,838.19-50,176.77

Finding the Fourth Proportional to 90,463.89, 124,838.19 and 50,176.77

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Solution

The fourth proportional to 90,463.89, 124,838.19 and 50,176.77 is: 69,242.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,463.89 : 124,838.19 = 50,176.77 : x
  2. Step 2: Convert to fraction form
    90,463.89/124,838.19 = 50,176.77/x
  3. Step 3: Cross multiply
    90,463.89x = 124,838.19 × 50,176.77
  4. Step 4: Simplify right side
    90,463.89x = 6,263,977,146.85
  5. Step 5: Solve for x
    x = 6,263,977,146.85/90,463.89
  6. Step 6: Final answer
    x = 69,242.85

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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.