Home / 85,620.59-118,203.93-51,637.73

Finding the Fourth Proportional to 85,620.59, 118,203.93 and 51,637.73

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Solution

The fourth proportional to 85,620.59, 118,203.93 and 51,637.73 is: 71,288.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,620.59 : 118,203.93 = 51,637.73 : x
  2. Step 2: Convert to fraction form
    85,620.59/118,203.93 = 51,637.73/x
  3. Step 3: Cross multiply
    85,620.59x = 118,203.93 × 51,637.73
  4. Step 4: Simplify right side
    85,620.59x = 6,103,782,031.26
  5. Step 5: Solve for x
    x = 6,103,782,031.26/85,620.59
  6. Step 6: Final answer
    x = 71,288.72

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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.