Home / 60,143.96-90,215.53-47,007.38

Finding the Fourth Proportional to 60,143.96, 90,215.53 and 47,007.38

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Solution

The fourth proportional to 60,143.96, 90,215.53 and 47,007.38 is: 70,510.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,143.96 : 90,215.53 = 47,007.38 : x
  2. Step 2: Convert to fraction form
    60,143.96/90,215.53 = 47,007.38/x
  3. Step 3: Cross multiply
    60,143.96x = 90,215.53 × 47,007.38
  4. Step 4: Simplify right side
    60,143.96x = 4,240,795,132.02
  5. Step 5: Solve for x
    x = 4,240,795,132.02/60,143.96
  6. Step 6: Final answer
    x = 70,510.75

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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.