Home / 73,152.24-100,950.28-39,618.24

Finding the Fourth Proportional to 73,152.24, 100,950.28 and 39,618.24

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Solution

The fourth proportional to 73,152.24, 100,950.28 and 39,618.24 is: 54,673.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,152.24 : 100,950.28 = 39,618.24 : x
  2. Step 2: Convert to fraction form
    73,152.24/100,950.28 = 39,618.24/x
  3. Step 3: Cross multiply
    73,152.24x = 100,950.28 × 39,618.24
  4. Step 4: Simplify right side
    73,152.24x = 3,999,472,421.11
  5. Step 5: Solve for x
    x = 3,999,472,421.11/73,152.24
  6. Step 6: Final answer
    x = 54,673.27

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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.