Home / 47,747.10-65,381.61-45,864.90

Finding the Fourth Proportional to 47,747.10, 65,381.61 and 45,864.90

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Solution

The fourth proportional to 47,747.10, 65,381.61 and 45,864.90 is: 62,804.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,747.10 : 65,381.61 = 45,864.90 : x
  2. Step 2: Convert to fraction form
    47,747.10/65,381.61 = 45,864.90/x
  3. Step 3: Cross multiply
    47,747.10x = 65,381.61 × 45,864.90
  4. Step 4: Simplify right side
    47,747.10x = 2,998,721,004.49
  5. Step 5: Solve for x
    x = 2,998,721,004.49/47,747.10
  6. Step 6: Final answer
    x = 62,804.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.