Home / 70,327.63-97,048.39-38,490.37

Finding the Fourth Proportional to 70,327.63, 97,048.39 and 38,490.37

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Solution

The fourth proportional to 70,327.63, 97,048.39 and 38,490.37 is: 53,114.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,327.63 : 97,048.39 = 38,490.37 : x
  2. Step 2: Convert to fraction form
    70,327.63/97,048.39 = 38,490.37/x
  3. Step 3: Cross multiply
    70,327.63x = 97,048.39 × 38,490.37
  4. Step 4: Simplify right side
    70,327.63x = 3,735,428,439.00
  5. Step 5: Solve for x
    x = 3,735,428,439.00/70,327.63
  6. Step 6: Final answer
    x = 53,114.66

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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.