Home / 71,333.06-98,439.91-39,501.27

Finding the Fourth Proportional to 71,333.06, 98,439.91 and 39,501.27

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Solution

The fourth proportional to 71,333.06, 98,439.91 and 39,501.27 is: 54,511.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,333.06 : 98,439.91 = 39,501.27 : x
  2. Step 2: Convert to fraction form
    71,333.06/98,439.91 = 39,501.27/x
  3. Step 3: Cross multiply
    71,333.06x = 98,439.91 × 39,501.27
  4. Step 4: Simplify right side
    71,333.06x = 3,888,501,364.93
  5. Step 5: Solve for x
    x = 3,888,501,364.93/71,333.06
  6. Step 6: Final answer
    x = 54,511.91

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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.