Home / 55,133.02-76,090.83-53,631.89

Finding the Fourth Proportional to 55,133.02, 76,090.83 and 53,631.89

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Solution

The fourth proportional to 55,133.02, 76,090.83 and 53,631.89 is: 74,019.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,133.02 : 76,090.83 = 53,631.89 : x
  2. Step 2: Convert to fraction form
    55,133.02/76,090.83 = 53,631.89/x
  3. Step 3: Cross multiply
    55,133.02x = 76,090.83 × 53,631.89
  4. Step 4: Simplify right side
    55,133.02x = 4,080,895,024.57
  5. Step 5: Solve for x
    x = 4,080,895,024.57/55,133.02
  6. Step 6: Final answer
    x = 74,019.07

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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.