Home / 75,090.42-103,662.18-43,253.10

Finding the Fourth Proportional to 75,090.42, 103,662.18 and 43,253.10

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Solution

The fourth proportional to 75,090.42, 103,662.18 and 43,253.10 is: 59,710.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,090.42 : 103,662.18 = 43,253.10 : x
  2. Step 2: Convert to fraction form
    75,090.42/103,662.18 = 43,253.10/x
  3. Step 3: Cross multiply
    75,090.42x = 103,662.18 × 43,253.10
  4. Step 4: Simplify right side
    75,090.42x = 4,483,710,637.76
  5. Step 5: Solve for x
    x = 4,483,710,637.76/75,090.42
  6. Step 6: Final answer
    x = 59,710.82

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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.