Home / 60,967.20-91,457.28-19,404.48

Finding the Fourth Proportional to 60,967.20, 91,457.28 and 19,404.48

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Solution

The fourth proportional to 60,967.20, 91,457.28 and 19,404.48 is: 29,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,967.20 : 91,457.28 = 19,404.48 : x
  2. Step 2: Convert to fraction form
    60,967.20/91,457.28 = 19,404.48/x
  3. Step 3: Cross multiply
    60,967.20x = 91,457.28 × 19,404.48
  4. Step 4: Simplify right side
    60,967.20x = 1,774,680,960.61
  5. Step 5: Solve for x
    x = 1,774,680,960.61/60,967.20
  6. Step 6: Final answer
    x = 29,108.78

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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.