Home / 89,276.24-123,201.15-51,036.64

Finding the Fourth Proportional to 89,276.24, 123,201.15 and 51,036.64

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Solution

The fourth proportional to 89,276.24, 123,201.15 and 51,036.64 is: 70,430.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,276.24 : 123,201.15 = 51,036.64 : x
  2. Step 2: Convert to fraction form
    89,276.24/123,201.15 = 51,036.64/x
  3. Step 3: Cross multiply
    89,276.24x = 123,201.15 × 51,036.64
  4. Step 4: Simplify right side
    89,276.24x = 6,287,772,240.75
  5. Step 5: Solve for x
    x = 6,287,772,240.75/89,276.24
  6. Step 6: Final answer
    x = 70,430.52

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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.