Home / 89,153.51-123,034.86-48,867.26

Finding the Fourth Proportional to 89,153.51, 123,034.86 and 48,867.26

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Solution

The fourth proportional to 89,153.51, 123,034.86 and 48,867.26 is: 67,438.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,153.51 : 123,034.86 = 48,867.26 : x
  2. Step 2: Convert to fraction form
    89,153.51/123,034.86 = 48,867.26/x
  3. Step 3: Cross multiply
    89,153.51x = 123,034.86 × 48,867.26
  4. Step 4: Simplify right side
    89,153.51x = 6,012,375,877.51
  5. Step 5: Solve for x
    x = 6,012,375,877.51/89,153.51
  6. Step 6: Final answer
    x = 67,438.47

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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.