Home / 71,633.07-98,856.99-39,802.50

Finding the Fourth Proportional to 71,633.07, 98,856.99 and 39,802.50

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Solution

The fourth proportional to 71,633.07, 98,856.99 and 39,802.50 is: 54,929.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,633.07 : 98,856.99 = 39,802.50 : x
  2. Step 2: Convert to fraction form
    71,633.07/98,856.99 = 39,802.50/x
  3. Step 3: Cross multiply
    71,633.07x = 98,856.99 × 39,802.50
  4. Step 4: Simplify right side
    71,633.07x = 3,934,755,344.48
  5. Step 5: Solve for x
    x = 3,934,755,344.48/71,633.07
  6. Step 6: Final answer
    x = 54,929.31

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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.