Home / 85,855.02-118,480.91-47,615.33

Finding the Fourth Proportional to 85,855.02, 118,480.91 and 47,615.33

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Solution

The fourth proportional to 85,855.02, 118,480.91 and 47,615.33 is: 65,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,855.02 : 118,480.91 = 47,615.33 : x
  2. Step 2: Convert to fraction form
    85,855.02/118,480.91 = 47,615.33/x
  3. Step 3: Cross multiply
    85,855.02x = 118,480.91 × 47,615.33
  4. Step 4: Simplify right side
    85,855.02x = 5,641,507,628.35
  5. Step 5: Solve for x
    x = 5,641,507,628.35/85,855.02
  6. Step 6: Final answer
    x = 65,709.70

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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.