Home / 75,031.12-112,602.02-35,588.36

Finding the Fourth Proportional to 75,031.12, 112,602.02 and 35,588.36

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Solution

The fourth proportional to 75,031.12, 112,602.02 and 35,588.36 is: 53,408.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,031.12 : 112,602.02 = 35,588.36 : x
  2. Step 2: Convert to fraction form
    75,031.12/112,602.02 = 35,588.36/x
  3. Step 3: Cross multiply
    75,031.12x = 112,602.02 × 35,588.36
  4. Step 4: Simplify right side
    75,031.12x = 4,007,321,224.49
  5. Step 5: Solve for x
    x = 4,007,321,224.49/75,031.12
  6. Step 6: Final answer
    x = 53,408.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.