Home / 55,373.76-76,414.32-50,915.52

Finding the Fourth Proportional to 55,373.76, 76,414.32 and 50,915.52

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Solution

The fourth proportional to 55,373.76, 76,414.32 and 50,915.52 is: 70,262.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,373.76 : 76,414.32 = 50,915.52 : x
  2. Step 2: Convert to fraction form
    55,373.76/76,414.32 = 50,915.52/x
  3. Step 3: Cross multiply
    55,373.76x = 76,414.32 × 50,915.52
  4. Step 4: Simplify right side
    55,373.76x = 3,890,674,838.25
  5. Step 5: Solve for x
    x = 3,890,674,838.25/55,373.76
  6. Step 6: Final answer
    x = 70,262.07

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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.