Home / 85,717.02-118,293.34-47,991.26

Finding the Fourth Proportional to 85,717.02, 118,293.34 and 47,991.26

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Solution

The fourth proportional to 85,717.02, 118,293.34 and 47,991.26 is: 66,230.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,717.02 : 118,293.34 = 47,991.26 : x
  2. Step 2: Convert to fraction form
    85,717.02/118,293.34 = 47,991.26/x
  3. Step 3: Cross multiply
    85,717.02x = 118,293.34 × 47,991.26
  4. Step 4: Simplify right side
    85,717.02x = 5,677,046,436.21
  5. Step 5: Solve for x
    x = 5,677,046,436.21/85,717.02
  6. Step 6: Final answer
    x = 66,230.10

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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.