Home / 89,434.02-123,367.55-55,841.70

Finding the Fourth Proportional to 89,434.02, 123,367.55 and 55,841.70

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Solution

The fourth proportional to 89,434.02, 123,367.55 and 55,841.70 is: 77,029.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,434.02 : 123,367.55 = 55,841.70 : x
  2. Step 2: Convert to fraction form
    89,434.02/123,367.55 = 55,841.70/x
  3. Step 3: Cross multiply
    89,434.02x = 123,367.55 × 55,841.70
  4. Step 4: Simplify right side
    89,434.02x = 6,889,053,716.84
  5. Step 5: Solve for x
    x = 6,889,053,716.84/89,434.02
  6. Step 6: Final answer
    x = 77,029.45

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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.