Home / 70,552.05-97,362.61-38,720.26

Finding the Fourth Proportional to 70,552.05, 97,362.61 and 38,720.26

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Solution

The fourth proportional to 70,552.05, 97,362.61 and 38,720.26 is: 53,434.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,552.05 : 97,362.61 = 38,720.26 : x
  2. Step 2: Convert to fraction form
    70,552.05/97,362.61 = 38,720.26/x
  3. Step 3: Cross multiply
    70,552.05x = 97,362.61 × 38,720.26
  4. Step 4: Simplify right side
    70,552.05x = 3,769,905,598.38
  5. Step 5: Solve for x
    x = 3,769,905,598.38/70,552.05
  6. Step 6: Final answer
    x = 53,434.39

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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.