Home / 85,739.24-118,319.92-47,498.86

Finding the Fourth Proportional to 85,739.24, 118,319.92 and 47,498.86

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Solution

The fourth proportional to 85,739.24, 118,319.92 and 47,498.86 is: 65,548.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,739.24 : 118,319.92 = 47,498.86 : x
  2. Step 2: Convert to fraction form
    85,739.24/118,319.92 = 47,498.86/x
  3. Step 3: Cross multiply
    85,739.24x = 118,319.92 × 47,498.86
  4. Step 4: Simplify right side
    85,739.24x = 5,620,061,315.29
  5. Step 5: Solve for x
    x = 5,620,061,315.29/85,739.24
  6. Step 6: Final answer
    x = 65,548.30

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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.