Home / 43,150.77-64,731.02-13,560.66

Finding the Fourth Proportional to 43,150.77, 64,731.02 and 13,560.66

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Solution

The fourth proportional to 43,150.77, 64,731.02 and 13,560.66 is: 20,342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,150.77 : 64,731.02 = 13,560.66 : x
  2. Step 2: Convert to fraction form
    43,150.77/64,731.02 = 13,560.66/x
  3. Step 3: Cross multiply
    43,150.77x = 64,731.02 × 13,560.66
  4. Step 4: Simplify right side
    43,150.77x = 877,795,285.87
  5. Step 5: Solve for x
    x = 877,795,285.87/43,150.77
  6. Step 6: Final answer
    x = 20,342.52

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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.