Home / 53,120.86-73,229.80-37,155.76

Finding the Fourth Proportional to 53,120.86, 73,229.80 and 37,155.76

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Solution

The fourth proportional to 53,120.86, 73,229.80 and 37,155.76 is: 51,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,120.86 : 73,229.80 = 37,155.76 : x
  2. Step 2: Convert to fraction form
    53,120.86/73,229.80 = 37,155.76/x
  3. Step 3: Cross multiply
    53,120.86x = 73,229.80 × 37,155.76
  4. Step 4: Simplify right side
    53,120.86x = 2,720,908,873.65
  5. Step 5: Solve for x
    x = 2,720,908,873.65/53,120.86
  6. Step 6: Final answer
    x = 51,221.10

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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.