Home / 70,968.09-97,931.50-40,732.14

Finding the Fourth Proportional to 70,968.09, 97,931.50 and 40,732.14

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Solution

The fourth proportional to 70,968.09, 97,931.50 and 40,732.14 is: 56,207.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,968.09 : 97,931.50 = 40,732.14 : x
  2. Step 2: Convert to fraction form
    70,968.09/97,931.50 = 40,732.14/x
  3. Step 3: Cross multiply
    70,968.09x = 97,931.50 × 40,732.14
  4. Step 4: Simplify right side
    70,968.09x = 3,988,959,568.41
  5. Step 5: Solve for x
    x = 3,988,959,568.41/70,968.09
  6. Step 6: Final answer
    x = 56,207.79

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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.