Home / 70,544.57-97,353.86-38,715.21

Finding the Fourth Proportional to 70,544.57, 97,353.86 and 38,715.21

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Solution

The fourth proportional to 70,544.57, 97,353.86 and 38,715.21 is: 53,428.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,544.57 : 97,353.86 = 38,715.21 : x
  2. Step 2: Convert to fraction form
    70,544.57/97,353.86 = 38,715.21/x
  3. Step 3: Cross multiply
    70,544.57x = 97,353.86 × 38,715.21
  4. Step 4: Simplify right side
    70,544.57x = 3,769,074,940.63
  5. Step 5: Solve for x
    x = 3,769,074,940.63/70,544.57
  6. Step 6: Final answer
    x = 53,428.28

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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.