Home / 42,772.29-64,157.36-11,606.73

Finding the Fourth Proportional to 42,772.29, 64,157.36 and 11,606.73

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Solution

The fourth proportional to 42,772.29, 64,157.36 and 11,606.73 is: 17,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,772.29 : 64,157.36 = 11,606.73 : x
  2. Step 2: Convert to fraction form
    42,772.29/64,157.36 = 11,606.73/x
  3. Step 3: Cross multiply
    42,772.29x = 64,157.36 × 11,606.73
  4. Step 4: Simplify right side
    42,772.29x = 744,657,097.00
  5. Step 5: Solve for x
    x = 744,657,097.00/42,772.29
  6. Step 6: Final answer
    x = 17,409.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.