Home / 47,697.56-65,785.07-42,252.45

Finding the Fourth Proportional to 47,697.56, 65,785.07 and 42,252.45

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Solution

The fourth proportional to 47,697.56, 65,785.07 and 42,252.45 is: 58,275.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,697.56 : 65,785.07 = 42,252.45 : x
  2. Step 2: Convert to fraction form
    47,697.56/65,785.07 = 42,252.45/x
  3. Step 3: Cross multiply
    47,697.56x = 65,785.07 × 42,252.45
  4. Step 4: Simplify right side
    47,697.56x = 2,779,580,380.92
  5. Step 5: Solve for x
    x = 2,779,580,380.92/47,697.56
  6. Step 6: Final answer
    x = 58,275.11

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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.