Home / 85,629.02-118,090-73,525.74

Finding the Fourth Proportional to 85,629.02, 118,090 and 73,525.74

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Solution

The fourth proportional to 85,629.02, 118,090 and 73,525.74 is: 101,398.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,629.02 : 118,090 = 73,525.74 : x
  2. Step 2: Convert to fraction form
    85,629.02/118,090 = 73,525.74/x
  3. Step 3: Cross multiply
    85,629.02x = 118,090 × 73,525.74
  4. Step 4: Simplify right side
    85,629.02x = 8,682,654,636.60
  5. Step 5: Solve for x
    x = 8,682,654,636.60/85,629.02
  6. Step 6: Final answer
    x = 101,398.51

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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.