Home / 75,031.12-103,539.56-41,039.12

Finding the Fourth Proportional to 75,031.12, 103,539.56 and 41,039.12

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Solution

The fourth proportional to 75,031.12, 103,539.56 and 41,039.12 is: 56,632.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,031.12 : 103,539.56 = 41,039.12 : x
  2. Step 2: Convert to fraction form
    75,031.12/103,539.56 = 41,039.12/x
  3. Step 3: Cross multiply
    75,031.12x = 103,539.56 × 41,039.12
  4. Step 4: Simplify right side
    75,031.12x = 4,249,172,427.59
  5. Step 5: Solve for x
    x = 4,249,172,427.59/75,031.12
  6. Step 6: Final answer
    x = 56,632.13

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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.