Home / 70,355.38-97,090.59-38,090.34

Finding the Fourth Proportional to 70,355.38, 97,090.59 and 38,090.34

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Solution

The fourth proportional to 70,355.38, 97,090.59 and 38,090.34 is: 52,564.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,355.38 : 97,090.59 = 38,090.34 : x
  2. Step 2: Convert to fraction form
    70,355.38/97,090.59 = 38,090.34/x
  3. Step 3: Cross multiply
    70,355.38x = 97,090.59 × 38,090.34
  4. Step 4: Simplify right side
    70,355.38x = 3,698,213,583.90
  5. Step 5: Solve for x
    x = 3,698,213,583.90/70,355.38
  6. Step 6: Final answer
    x = 52,564.76

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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.