Home / 50,900.16-70,221.60-36,721.92

Finding the Fourth Proportional to 50,900.16, 70,221.60 and 36,721.92

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Solution

The fourth proportional to 50,900.16, 70,221.60 and 36,721.92 is: 50,661.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,900.16 : 70,221.60 = 36,721.92 : x
  2. Step 2: Convert to fraction form
    50,900.16/70,221.60 = 36,721.92/x
  3. Step 3: Cross multiply
    50,900.16x = 70,221.60 × 36,721.92
  4. Step 4: Simplify right side
    50,900.16x = 2,578,671,977.47
  5. Step 5: Solve for x
    x = 2,578,671,977.47/50,900.16
  6. Step 6: Final answer
    x = 50,661.37

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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.