Home / 53,485.15-73,821.90-35,580.91

Finding the Fourth Proportional to 53,485.15, 73,821.90 and 35,580.91

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Solution

The fourth proportional to 53,485.15, 73,821.90 and 35,580.91 is: 49,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,485.15 : 73,821.90 = 35,580.91 : x
  2. Step 2: Convert to fraction form
    53,485.15/73,821.90 = 35,580.91/x
  3. Step 3: Cross multiply
    53,485.15x = 73,821.90 × 35,580.91
  4. Step 4: Simplify right side
    53,485.15x = 2,626,650,379.93
  5. Step 5: Solve for x
    x = 2,626,650,379.93/53,485.15
  6. Step 6: Final answer
    x = 49,109.90

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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.