Home / 89,458.56-123,445.35-51,735.24

Finding the Fourth Proportional to 89,458.56, 123,445.35 and 51,735.24

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Solution

The fourth proportional to 89,458.56, 123,445.35 and 51,735.24 is: 71,390.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,458.56 : 123,445.35 = 51,735.24 : x
  2. Step 2: Convert to fraction form
    89,458.56/123,445.35 = 51,735.24/x
  3. Step 3: Cross multiply
    89,458.56x = 123,445.35 × 51,735.24
  4. Step 4: Simplify right side
    89,458.56x = 6,386,474,809.13
  5. Step 5: Solve for x
    x = 6,386,474,809.13/89,458.56
  6. Step 6: Final answer
    x = 71,390.32

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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.