Home / 89,276.25-123,201.21-51,036.63

Finding the Fourth Proportional to 89,276.25, 123,201.21 and 51,036.63

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Solution

The fourth proportional to 89,276.25, 123,201.21 and 51,036.63 is: 70,430.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,276.25 : 123,201.21 = 51,036.63 : x
  2. Step 2: Convert to fraction form
    89,276.25/123,201.21 = 51,036.63/x
  3. Step 3: Cross multiply
    89,276.25x = 123,201.21 × 51,036.63
  4. Step 4: Simplify right side
    89,276.25x = 6,287,774,570.32
  5. Step 5: Solve for x
    x = 6,287,774,570.32/89,276.25
  6. Step 6: Final answer
    x = 70,430.54

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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.