Home / 89,473.25-123,476.27-51,239.63

Finding the Fourth Proportional to 89,473.25, 123,476.27 and 51,239.63

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Solution

The fourth proportional to 89,473.25, 123,476.27 and 51,239.63 is: 70,712.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,473.25 : 123,476.27 = 51,239.63 : x
  2. Step 2: Convert to fraction form
    89,473.25/123,476.27 = 51,239.63/x
  3. Step 3: Cross multiply
    89,473.25x = 123,476.27 × 51,239.63
  4. Step 4: Simplify right side
    89,473.25x = 6,326,878,441.07
  5. Step 5: Solve for x
    x = 6,326,878,441.07/89,473.25
  6. Step 6: Final answer
    x = 70,712.51

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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.