Home / 89,348.84-123,275.14-55,382.28

Finding the Fourth Proportional to 89,348.84, 123,275.14 and 55,382.28

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Solution

The fourth proportional to 89,348.84, 123,275.14 and 55,382.28 is: 76,411.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,348.84 : 123,275.14 = 55,382.28 : x
  2. Step 2: Convert to fraction form
    89,348.84/123,275.14 = 55,382.28/x
  3. Step 3: Cross multiply
    89,348.84x = 123,275.14 × 55,382.28
  4. Step 4: Simplify right side
    89,348.84x = 6,827,258,320.52
  5. Step 5: Solve for x
    x = 6,827,258,320.52/89,348.84
  6. Step 6: Final answer
    x = 76,411.27

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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.