Home / 71,349.54-98,463.18-39,518.94

Finding the Fourth Proportional to 71,349.54, 98,463.18 and 39,518.94

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Solution

The fourth proportional to 71,349.54, 98,463.18 and 39,518.94 is: 54,536.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,349.54 : 98,463.18 = 39,518.94 : x
  2. Step 2: Convert to fraction form
    71,349.54/98,463.18 = 39,518.94/x
  3. Step 3: Cross multiply
    71,349.54x = 98,463.18 × 39,518.94
  4. Step 4: Simplify right side
    71,349.54x = 3,891,160,502.63
  5. Step 5: Solve for x
    x = 3,891,160,502.63/71,349.54
  6. Step 6: Final answer
    x = 54,536.59

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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.