Home / 73,521.20-101,455.05-40,813.94

Finding the Fourth Proportional to 73,521.20, 101,455.05 and 40,813.94

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Solution

The fourth proportional to 73,521.20, 101,455.05 and 40,813.94 is: 56,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,521.20 : 101,455.05 = 40,813.94 : x
  2. Step 2: Convert to fraction form
    73,521.20/101,455.05 = 40,813.94/x
  3. Step 3: Cross multiply
    73,521.20x = 101,455.05 × 40,813.94
  4. Step 4: Simplify right side
    73,521.20x = 4,140,779,816.12
  5. Step 5: Solve for x
    x = 4,140,779,816.12/73,521.20
  6. Step 6: Final answer
    x = 56,320.90

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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.