Home / 88,090.12-121,556.34-52,273.96

Finding the Fourth Proportional to 88,090.12, 121,556.34 and 52,273.96

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Solution

The fourth proportional to 88,090.12, 121,556.34 and 52,273.96 is: 72,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,090.12 : 121,556.34 = 52,273.96 : x
  2. Step 2: Convert to fraction form
    88,090.12/121,556.34 = 52,273.96/x
  3. Step 3: Cross multiply
    88,090.12x = 121,556.34 × 52,273.96
  4. Step 4: Simplify right side
    88,090.12x = 6,354,231,254.91
  5. Step 5: Solve for x
    x = 6,354,231,254.91/88,090.12
  6. Step 6: Final answer
    x = 72,133.30

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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.