Home / 75,017.08-103,488.33-53,511.58

Finding the Fourth Proportional to 75,017.08, 103,488.33 and 53,511.58

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Solution

The fourth proportional to 75,017.08, 103,488.33 and 53,511.58 is: 73,820.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,017.08 : 103,488.33 = 53,511.58 : x
  2. Step 2: Convert to fraction form
    75,017.08/103,488.33 = 53,511.58/x
  3. Step 3: Cross multiply
    75,017.08x = 103,488.33 × 53,511.58
  4. Step 4: Simplify right side
    75,017.08x = 5,537,824,049.86
  5. Step 5: Solve for x
    x = 5,537,824,049.86/75,017.08
  6. Step 6: Final answer
    x = 73,820.84

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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.