Home / 43,143.97-64,731.52-15,068.16

Finding the Fourth Proportional to 43,143.97, 64,731.52 and 15,068.16

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Solution

The fourth proportional to 43,143.97, 64,731.52 and 15,068.16 is: 22,607.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,143.97 : 64,731.52 = 15,068.16 : x
  2. Step 2: Convert to fraction form
    43,143.97/64,731.52 = 15,068.16/x
  3. Step 3: Cross multiply
    43,143.97x = 64,731.52 × 15,068.16
  4. Step 4: Simplify right side
    43,143.97x = 975,384,900.40
  5. Step 5: Solve for x
    x = 975,384,900.40/43,143.97
  6. Step 6: Final answer
    x = 22,607.68

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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.