Home / 76,285.41-105,277.46-47,622.04

Finding the Fourth Proportional to 76,285.41, 105,277.46 and 47,622.04

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Solution

The fourth proportional to 76,285.41, 105,277.46 and 47,622.04 is: 65,720.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,285.41 : 105,277.46 = 47,622.04 : x
  2. Step 2: Convert to fraction form
    76,285.41/105,277.46 = 47,622.04/x
  3. Step 3: Cross multiply
    76,285.41x = 105,277.46 × 47,622.04
  4. Step 4: Simplify right side
    76,285.41x = 5,013,527,411.22
  5. Step 5: Solve for x
    x = 5,013,527,411.22/76,285.41
  6. Step 6: Final answer
    x = 65,720.66

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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.