Home / 89,445.06-123,437.40-49,161.84

Finding the Fourth Proportional to 89,445.06, 123,437.40 and 49,161.84

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Solution

The fourth proportional to 89,445.06, 123,437.40 and 49,161.84 is: 67,845.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,445.06 : 123,437.40 = 49,161.84 : x
  2. Step 2: Convert to fraction form
    89,445.06/123,437.40 = 49,161.84/x
  3. Step 3: Cross multiply
    89,445.06x = 123,437.40 × 49,161.84
  4. Step 4: Simplify right side
    89,445.06x = 6,068,409,708.82
  5. Step 5: Solve for x
    x = 6,068,409,708.82/89,445.06
  6. Step 6: Final answer
    x = 67,845.11

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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.