Home / 75,805.04-113,628.12-42,476.24

Finding the Fourth Proportional to 75,805.04, 113,628.12 and 42,476.24

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Solution

The fourth proportional to 75,805.04, 113,628.12 and 42,476.24 is: 63,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,805.04 : 113,628.12 = 42,476.24 : x
  2. Step 2: Convert to fraction form
    75,805.04/113,628.12 = 42,476.24/x
  3. Step 3: Cross multiply
    75,805.04x = 113,628.12 × 42,476.24
  4. Step 4: Simplify right side
    75,805.04x = 4,826,495,295.87
  5. Step 5: Solve for x
    x = 4,826,495,295.87/75,805.04
  6. Step 6: Final answer
    x = 63,669.85

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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.