Home / 70,512.46-97,308.73-38,681.36

Finding the Fourth Proportional to 70,512.46, 97,308.73 and 38,681.36

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Solution

The fourth proportional to 70,512.46, 97,308.73 and 38,681.36 is: 53,381.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,512.46 : 97,308.73 = 38,681.36 : x
  2. Step 2: Convert to fraction form
    70,512.46/97,308.73 = 38,681.36/x
  3. Step 3: Cross multiply
    70,512.46x = 97,308.73 × 38,681.36
  4. Step 4: Simplify right side
    70,512.46x = 3,764,034,016.27
  5. Step 5: Solve for x
    x = 3,764,034,016.27/70,512.46
  6. Step 6: Final answer
    x = 53,381.12

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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.