Home / 43,133.04-59,135.40-42,345.72

Finding the Fourth Proportional to 43,133.04, 59,135.40 and 42,345.72

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Solution

The fourth proportional to 43,133.04, 59,135.40 and 42,345.72 is: 58,055.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,133.04 : 59,135.40 = 42,345.72 : x
  2. Step 2: Convert to fraction form
    43,133.04/59,135.40 = 42,345.72/x
  3. Step 3: Cross multiply
    43,133.04x = 59,135.40 × 42,345.72
  4. Step 4: Simplify right side
    43,133.04x = 2,504,131,090.49
  5. Step 5: Solve for x
    x = 2,504,131,090.49/43,133.04
  6. Step 6: Final answer
    x = 58,055.98

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.