Home / 71,506.08-98,670.48-39,667.04

Finding the Fourth Proportional to 71,506.08, 98,670.48 and 39,667.04

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Solution

The fourth proportional to 71,506.08, 98,670.48 and 39,667.04 is: 54,736.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,506.08 : 98,670.48 = 39,667.04 : x
  2. Step 2: Convert to fraction form
    71,506.08/98,670.48 = 39,667.04/x
  3. Step 3: Cross multiply
    71,506.08x = 98,670.48 × 39,667.04
  4. Step 4: Simplify right side
    71,506.08x = 3,913,965,876.98
  5. Step 5: Solve for x
    x = 3,913,965,876.98/71,506.08
  6. Step 6: Final answer
    x = 54,736.13

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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.