Home / 89,293.79-123,221.48-49,007.63

Finding the Fourth Proportional to 89,293.79, 123,221.48 and 49,007.63

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Solution

The fourth proportional to 89,293.79, 123,221.48 and 49,007.63 is: 67,628.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,293.79 : 123,221.48 = 49,007.63 : x
  2. Step 2: Convert to fraction form
    89,293.79/123,221.48 = 49,007.63/x
  3. Step 3: Cross multiply
    89,293.79x = 123,221.48 × 49,007.63
  4. Step 4: Simplify right side
    89,293.79x = 6,038,793,130.47
  5. Step 5: Solve for x
    x = 6,038,793,130.47/89,293.79
  6. Step 6: Final answer
    x = 67,628.36

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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.