Home / 70,436.36-97,201.53-38,605.11

Finding the Fourth Proportional to 70,436.36, 97,201.53 and 38,605.11

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Solution

The fourth proportional to 70,436.36, 97,201.53 and 38,605.11 is: 53,274.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,436.36 : 97,201.53 = 38,605.11 : x
  2. Step 2: Convert to fraction form
    70,436.36/97,201.53 = 38,605.11/x
  3. Step 3: Cross multiply
    70,436.36x = 97,201.53 × 38,605.11
  4. Step 4: Simplify right side
    70,436.36x = 3,752,475,757.82
  5. Step 5: Solve for x
    x = 3,752,475,757.82/70,436.36
  6. Step 6: Final answer
    x = 53,274.70

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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.