Home / 71,569.32-98,762.67-39,736.32

Finding the Fourth Proportional to 71,569.32, 98,762.67 and 39,736.32

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Solution

The fourth proportional to 71,569.32, 98,762.67 and 39,736.32 is: 54,834.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,569.32 : 98,762.67 = 39,736.32 : x
  2. Step 2: Convert to fraction form
    71,569.32/98,762.67 = 39,736.32/x
  3. Step 3: Cross multiply
    71,569.32x = 98,762.67 × 39,736.32
  4. Step 4: Simplify right side
    71,569.32x = 3,924,465,059.17
  5. Step 5: Solve for x
    x = 3,924,465,059.17/71,569.32
  6. Step 6: Final answer
    x = 54,834.46

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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.