Home / 75,708.11-113,416.63-42,326.94

Finding the Fourth Proportional to 75,708.11, 113,416.63 and 42,326.94

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Solution

The fourth proportional to 75,708.11, 113,416.63 and 42,326.94 is: 63,409.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,708.11 : 113,416.63 = 42,326.94 : x
  2. Step 2: Convert to fraction form
    75,708.11/113,416.63 = 42,326.94/x
  3. Step 3: Cross multiply
    75,708.11x = 113,416.63 × 42,326.94
  4. Step 4: Simplify right side
    75,708.11x = 4,800,578,787.19
  5. Step 5: Solve for x
    x = 4,800,578,787.19/75,708.11
  6. Step 6: Final answer
    x = 63,409.04

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1.5x scale

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.