Home / 88,073.47-121,563.01-54,090.06

Finding the Fourth Proportional to 88,073.47, 121,563.01 and 54,090.06

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Solution

The fourth proportional to 88,073.47, 121,563.01 and 54,090.06 is: 74,657.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,073.47 : 121,563.01 = 54,090.06 : x
  2. Step 2: Convert to fraction form
    88,073.47/121,563.01 = 54,090.06/x
  3. Step 3: Cross multiply
    88,073.47x = 121,563.01 × 54,090.06
  4. Step 4: Simplify right side
    88,073.47x = 6,575,350,504.68
  5. Step 5: Solve for x
    x = 6,575,350,504.68/88,073.47
  6. Step 6: Final answer
    x = 74,657.56

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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.