Home / 55,743.35-76,937.99-35,312.20

Finding the Fourth Proportional to 55,743.35, 76,937.99 and 35,312.20

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Solution

The fourth proportional to 55,743.35, 76,937.99 and 35,312.20 is: 48,738.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,743.35 : 76,937.99 = 35,312.20 : x
  2. Step 2: Convert to fraction form
    55,743.35/76,937.99 = 35,312.20/x
  3. Step 3: Cross multiply
    55,743.35x = 76,937.99 × 35,312.20
  4. Step 4: Simplify right side
    55,743.35x = 2,716,849,321.57
  5. Step 5: Solve for x
    x = 2,716,849,321.57/55,743.35
  6. Step 6: Final answer
    x = 48,738.54

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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.