Home / 85,707.02-118,286.25-51,735.01

Finding the Fourth Proportional to 85,707.02, 118,286.25 and 51,735.01

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Solution

The fourth proportional to 85,707.02, 118,286.25 and 51,735.01 is: 71,400.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,707.02 : 118,286.25 = 51,735.01 : x
  2. Step 2: Convert to fraction form
    85,707.02/118,286.25 = 51,735.01/x
  3. Step 3: Cross multiply
    85,707.02x = 118,286.25 × 51,735.01
  4. Step 4: Simplify right side
    85,707.02x = 6,119,540,326.61
  5. Step 5: Solve for x
    x = 6,119,540,326.61/85,707.02
  6. Step 6: Final answer
    x = 71,400.69

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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.