Home / 70,383.60-97,130.94-40,168.32

Finding the Fourth Proportional to 70,383.60, 97,130.94 and 40,168.32

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Solution

The fourth proportional to 70,383.60, 97,130.94 and 40,168.32 is: 55,433.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,383.60 : 97,130.94 = 40,168.32 : x
  2. Step 2: Convert to fraction form
    70,383.60/97,130.94 = 40,168.32/x
  3. Step 3: Cross multiply
    70,383.60x = 97,130.94 × 40,168.32
  4. Step 4: Simplify right side
    70,383.60x = 3,901,586,679.82
  5. Step 5: Solve for x
    x = 3,901,586,679.82/70,383.60
  6. Step 6: Final answer
    x = 55,433.18

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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.