Home / 89,535.24-123,552.54-51,815.16

Finding the Fourth Proportional to 89,535.24, 123,552.54 and 51,815.16

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Solution

The fourth proportional to 89,535.24, 123,552.54 and 51,815.16 is: 71,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,535.24 : 123,552.54 = 51,815.16 : x
  2. Step 2: Convert to fraction form
    89,535.24/123,552.54 = 51,815.16/x
  3. Step 3: Cross multiply
    89,535.24x = 123,552.54 × 51,815.16
  4. Step 4: Simplify right side
    89,535.24x = 6,401,894,628.51
  5. Step 5: Solve for x
    x = 6,401,894,628.51/89,535.24
  6. Step 6: Final answer
    x = 71,501.40

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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.