Home / 71,326.55-98,429.43-39,494.76

Finding the Fourth Proportional to 71,326.55, 98,429.43 and 39,494.76

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Solution

The fourth proportional to 71,326.55, 98,429.43 and 39,494.76 is: 54,502.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,326.55 : 98,429.43 = 39,494.76 : x
  2. Step 2: Convert to fraction form
    71,326.55/98,429.43 = 39,494.76/x
  3. Step 3: Cross multiply
    71,326.55x = 98,429.43 × 39,494.76
  4. Step 4: Simplify right side
    71,326.55x = 3,887,446,714.79
  5. Step 5: Solve for x
    x = 3,887,446,714.79/71,326.55
  6. Step 6: Final answer
    x = 54,502.10

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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.