Home / 69,159.77-95,439.53-38,945.45

Finding the Fourth Proportional to 69,159.77, 95,439.53 and 38,945.45

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Solution

The fourth proportional to 69,159.77, 95,439.53 and 38,945.45 is: 53,744.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,159.77 : 95,439.53 = 38,945.45 : x
  2. Step 2: Convert to fraction form
    69,159.77/95,439.53 = 38,945.45/x
  3. Step 3: Cross multiply
    69,159.77x = 95,439.53 × 38,945.45
  4. Step 4: Simplify right side
    69,159.77x = 3,716,935,443.64
  5. Step 5: Solve for x
    x = 3,716,935,443.64/69,159.77
  6. Step 6: Final answer
    x = 53,744.19

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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.