Home / 71,634.59-98,853.77-39,802.67

Finding the Fourth Proportional to 71,634.59, 98,853.77 and 39,802.67

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Solution

The fourth proportional to 71,634.59, 98,853.77 and 39,802.67 is: 54,926.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,634.59 : 98,853.77 = 39,802.67 : x
  2. Step 2: Convert to fraction form
    71,634.59/98,853.77 = 39,802.67/x
  3. Step 3: Cross multiply
    71,634.59x = 98,853.77 × 39,802.67
  4. Step 4: Simplify right side
    71,634.59x = 3,934,643,590.80
  5. Step 5: Solve for x
    x = 3,934,643,590.80/71,634.59
  6. Step 6: Final answer
    x = 54,926.59

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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.