Home / 70,732.36-97,586.75-40,102.18

Finding the Fourth Proportional to 70,732.36, 97,586.75 and 40,102.18

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Solution

The fourth proportional to 70,732.36, 97,586.75 and 40,102.18 is: 55,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,732.36 : 97,586.75 = 40,102.18 : x
  2. Step 2: Convert to fraction form
    70,732.36/97,586.75 = 40,102.18/x
  3. Step 3: Cross multiply
    70,732.36x = 97,586.75 × 40,102.18
  4. Step 4: Simplify right side
    70,732.36x = 3,913,441,414.12
  5. Step 5: Solve for x
    x = 3,913,441,414.12/70,732.36
  6. Step 6: Final answer
    x = 55,327.45

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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.