Home / 55,750.16-76,903.08-33,381.20

Finding the Fourth Proportional to 55,750.16, 76,903.08 and 33,381.20

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Solution

The fourth proportional to 55,750.16, 76,903.08 and 33,381.20 is: 46,046.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,750.16 : 76,903.08 = 33,381.20 : x
  2. Step 2: Convert to fraction form
    55,750.16/76,903.08 = 33,381.20/x
  3. Step 3: Cross multiply
    55,750.16x = 76,903.08 × 33,381.20
  4. Step 4: Simplify right side
    55,750.16x = 2,567,117,094.10
  5. Step 5: Solve for x
    x = 2,567,117,094.10/55,750.16
  6. Step 6: Final answer
    x = 46,046.81

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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.