Home / 81,937.98-113,097.06-47,953.62

Finding the Fourth Proportional to 81,937.98, 113,097.06 and 47,953.62

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Solution

The fourth proportional to 81,937.98, 113,097.06 and 47,953.62 is: 66,189.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,937.98 : 113,097.06 = 47,953.62 : x
  2. Step 2: Convert to fraction form
    81,937.98/113,097.06 = 47,953.62/x
  3. Step 3: Cross multiply
    81,937.98x = 113,097.06 × 47,953.62
  4. Step 4: Simplify right side
    81,937.98x = 5,423,413,438.36
  5. Step 5: Solve for x
    x = 5,423,413,438.36/81,937.98
  6. Step 6: Final answer
    x = 66,189.25

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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.