Home / 97,712.22-134,781.47-75,016.63

Finding the Fourth Proportional to 97,712.22, 134,781.47 and 75,016.63

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Solution

The fourth proportional to 97,712.22, 134,781.47 and 75,016.63 is: 103,475.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,712.22 : 134,781.47 = 75,016.63 : x
  2. Step 2: Convert to fraction form
    97,712.22/134,781.47 = 75,016.63/x
  3. Step 3: Cross multiply
    97,712.22x = 134,781.47 × 75,016.63
  4. Step 4: Simplify right side
    97,712.22x = 10,110,851,740.55
  5. Step 5: Solve for x
    x = 10,110,851,740.55/97,712.22
  6. Step 6: Final answer
    x = 103,475.81

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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.