Home / 42,859.88-64,225.23-38,188.24

Finding the Fourth Proportional to 42,859.88, 64,225.23 and 38,188.24

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Solution

The fourth proportional to 42,859.88, 64,225.23 and 38,188.24 is: 57,224.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,859.88 : 64,225.23 = 38,188.24 : x
  2. Step 2: Convert to fraction form
    42,859.88/64,225.23 = 38,188.24/x
  3. Step 3: Cross multiply
    42,859.88x = 64,225.23 × 38,188.24
  4. Step 4: Simplify right side
    42,859.88x = 2,452,648,497.30
  5. Step 5: Solve for x
    x = 2,452,648,497.30/42,859.88
  6. Step 6: Final answer
    x = 57,224.81

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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.