Home / 70,415.30-97,172.55-38,584.11

Finding the Fourth Proportional to 70,415.30, 97,172.55 and 38,584.11

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Solution

The fourth proportional to 70,415.30, 97,172.55 and 38,584.11 is: 53,245.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,415.30 : 97,172.55 = 38,584.11 : x
  2. Step 2: Convert to fraction form
    70,415.30/97,172.55 = 38,584.11/x
  3. Step 3: Cross multiply
    70,415.30x = 97,172.55 × 38,584.11
  4. Step 4: Simplify right side
    70,415.30x = 3,749,316,358.18
  5. Step 5: Solve for x
    x = 3,749,316,358.18/70,415.30
  6. Step 6: Final answer
    x = 53,245.77

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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.